diff --git a/.gitignore b/.gitignore
index 9a99193a..34b7a8bf 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,4 +13,4 @@ _ide_helper.php
 *.swp
 
 # Do not include backup lang files
-resources/lang/*/[a-zA-Z]*20[0-9][0-9][0-1][0-9][0-3][0-9]_[0-2][0-9][0-5][0-9][0-5][0-9].php
\ No newline at end of file
+resources/lang/*/[a-zA-Z]*20[0-9][0-9][0-1][0-9][0-3][0-9]_[0-2][0-9][0-5][0-9][0-5][0-9].php
diff --git a/composer.lock b/composer.lock
index acdb844e..1ce68c31 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "72d67ef273ba8b0444c5345f252b4c78",
+    "content-hash": "7c12b4f007778ff43189673301dd80ff",
     "packages": [
         {
             "name": "almasaeed2010/adminlte",
@@ -51,16 +51,16 @@
         },
         {
             "name": "aws/aws-sdk-php",
-            "version": "3.112.13",
+            "version": "3.112.14",
             "source": {
                 "type": "git",
                 "url": "https://github.com/aws/aws-sdk-php.git",
-                "reference": "0326ba62f6ee0bb075f2b875631ec4abee93bee1"
+                "reference": "491960b26d7c02d8d9c9c998646d25a99e10fd16"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/aws/aws-sdk-php/zipball/0326ba62f6ee0bb075f2b875631ec4abee93bee1",
-                "reference": "0326ba62f6ee0bb075f2b875631ec4abee93bee1",
+                "url": "https://api.github.com/repos/aws/aws-sdk-php/zipball/491960b26d7c02d8d9c9c998646d25a99e10fd16",
+                "reference": "491960b26d7c02d8d9c9c998646d25a99e10fd16",
                 "shasum": ""
             },
             "require": {
@@ -130,7 +130,7 @@
                 "s3",
                 "sdk"
             ],
-            "time": "2019-10-02T18:39:21+00:00"
+            "time": "2019-10-03T18:12:08+00:00"
         },
         {
             "name": "backpack/backupmanager",
@@ -2675,6 +2675,64 @@
             ],
             "time": "2019-03-10T08:50:58+00:00"
         },
+        {
+            "name": "jeremeamia/superclosure",
+            "version": "2.4.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/jeremeamia/super_closure.git",
+                "reference": "5707d5821b30b9a07acfb4d76949784aaa0e9ce9"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/jeremeamia/super_closure/zipball/5707d5821b30b9a07acfb4d76949784aaa0e9ce9",
+                "reference": "5707d5821b30b9a07acfb4d76949784aaa0e9ce9",
+                "shasum": ""
+            },
+            "require": {
+                "nikic/php-parser": "^1.2|^2.0|^3.0|^4.0",
+                "php": ">=5.4",
+                "symfony/polyfill-php56": "^1.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.0|^5.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.4-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "SuperClosure\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Jeremy Lindblom",
+                    "email": "jeremeamia@gmail.com",
+                    "homepage": "https://github.com/jeremeamia",
+                    "role": "Developer"
+                }
+            ],
+            "description": "Serialize Closure objects, including their context and binding",
+            "homepage": "https://github.com/jeremeamia/super_closure",
+            "keywords": [
+                "closure",
+                "function",
+                "lambda",
+                "parser",
+                "serializable",
+                "serialize",
+                "tokenizer"
+            ],
+            "time": "2018-03-21T22:21:57+00:00"
+        },
         {
             "name": "justinrainbow/json-schema",
             "version": "5.2.8",
@@ -3406,31 +3464,40 @@
         },
         {
             "name": "maatwebsite/excel",
-            "version": "3.1.17",
+            "version": "2.1.30",
             "source": {
                 "type": "git",
                 "url": "https://github.com/Maatwebsite/Laravel-Excel.git",
-                "reference": "bd377ad37b285d9bc25c9adca360e4392041dea6"
+                "reference": "f5540c4ba3ac50cebd98b09ca42e61f926ef299f"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/Maatwebsite/Laravel-Excel/zipball/bd377ad37b285d9bc25c9adca360e4392041dea6",
-                "reference": "bd377ad37b285d9bc25c9adca360e4392041dea6",
+                "url": "https://api.github.com/repos/Maatwebsite/Laravel-Excel/zipball/f5540c4ba3ac50cebd98b09ca42e61f926ef299f",
+                "reference": "f5540c4ba3ac50cebd98b09ca42e61f926ef299f",
                 "shasum": ""
             },
             "require": {
-                "ext-json": "*",
-                "illuminate/support": "5.5.*|5.6.*|5.7.*|5.8.*|^6.0",
-                "opis/closure": "^3.1",
-                "php": "^7.0",
-                "phpoffice/phpspreadsheet": "^1.6"
+                "illuminate/cache": "^5.0",
+                "illuminate/config": "^5.0",
+                "illuminate/filesystem": "^5.0",
+                "illuminate/support": "^5.0",
+                "jeremeamia/superclosure": "^2.3",
+                "nesbot/carbon": "~1.0",
+                "php": ">=5.5",
+                "phpoffice/phpexcel": "^1.8.1",
+                "tijsverkoyen/css-to-inline-styles": "~2.0"
             },
             "require-dev": {
-                "mockery/mockery": "^1.1",
-                "orchestra/database": "^4.0",
-                "orchestra/testbench": "^4.0",
-                "phpunit/phpunit": "^8.0",
-                "predis/predis": "^1.1"
+                "mockery/mockery": "~1.0",
+                "orchestra/testbench": "3.1.*|3.2.*|3.3.*|3.4.*|3.5.*|3.6.*",
+                "phpseclib/phpseclib": "~1.0",
+                "phpunit/phpunit": "~4.0"
+            },
+            "suggest": {
+                "illuminate/http": "^5.0",
+                "illuminate/queue": "^5.0",
+                "illuminate/routing": "^5.0",
+                "illuminate/view": "^5.0"
             },
             "type": "library",
             "extra": {
@@ -3444,7 +3511,10 @@
                 }
             },
             "autoload": {
-                "psr-4": {
+                "classmap": [
+                    "src/Maatwebsite/Excel"
+                ],
+                "psr-0": {
                     "Maatwebsite\\Excel\\": "src/"
                 }
             },
@@ -3454,11 +3524,11 @@
             ],
             "authors": [
                 {
-                    "name": "Patrick Brouwers",
+                    "name": "Maatwebsite.nl",
                     "email": "patrick@maatwebsite.nl"
                 }
             ],
-            "description": "Supercharged Excel exports and imports in Laravel",
+            "description": "Supercharged Excel exports in Laravel",
             "keywords": [
                 "PHPExcel",
                 "batch",
@@ -3466,176 +3536,9 @@
                 "excel",
                 "export",
                 "import",
-                "laravel",
-                "php",
-                "phpspreadsheet"
+                "laravel"
             ],
-            "time": "2019-09-04T19:28:20+00:00"
-        },
-        {
-            "name": "markbaker/complex",
-            "version": "1.4.7",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/MarkBaker/PHPComplex.git",
-                "reference": "1ea674a8308baf547cbcbd30c5fcd6d301b7c000"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/MarkBaker/PHPComplex/zipball/1ea674a8308baf547cbcbd30c5fcd6d301b7c000",
-                "reference": "1ea674a8308baf547cbcbd30c5fcd6d301b7c000",
-                "shasum": ""
-            },
-            "require": {
-                "php": "^5.6.0|^7.0.0"
-            },
-            "require-dev": {
-                "dealerdirect/phpcodesniffer-composer-installer": "^0.4.3",
-                "phpcompatibility/php-compatibility": "^8.0",
-                "phpdocumentor/phpdocumentor": "2.*",
-                "phploc/phploc": "2.*",
-                "phpmd/phpmd": "2.*",
-                "phpunit/phpunit": "^4.8.35|^5.4.0",
-                "sebastian/phpcpd": "2.*",
-                "squizlabs/php_codesniffer": "^3.3.0"
-            },
-            "type": "library",
-            "autoload": {
-                "psr-4": {
-                    "Complex\\": "classes/src/"
-                },
-                "files": [
-                    "classes/src/functions/abs.php",
-                    "classes/src/functions/acos.php",
-                    "classes/src/functions/acosh.php",
-                    "classes/src/functions/acot.php",
-                    "classes/src/functions/acoth.php",
-                    "classes/src/functions/acsc.php",
-                    "classes/src/functions/acsch.php",
-                    "classes/src/functions/argument.php",
-                    "classes/src/functions/asec.php",
-                    "classes/src/functions/asech.php",
-                    "classes/src/functions/asin.php",
-                    "classes/src/functions/asinh.php",
-                    "classes/src/functions/atan.php",
-                    "classes/src/functions/atanh.php",
-                    "classes/src/functions/conjugate.php",
-                    "classes/src/functions/cos.php",
-                    "classes/src/functions/cosh.php",
-                    "classes/src/functions/cot.php",
-                    "classes/src/functions/coth.php",
-                    "classes/src/functions/csc.php",
-                    "classes/src/functions/csch.php",
-                    "classes/src/functions/exp.php",
-                    "classes/src/functions/inverse.php",
-                    "classes/src/functions/ln.php",
-                    "classes/src/functions/log2.php",
-                    "classes/src/functions/log10.php",
-                    "classes/src/functions/negative.php",
-                    "classes/src/functions/pow.php",
-                    "classes/src/functions/rho.php",
-                    "classes/src/functions/sec.php",
-                    "classes/src/functions/sech.php",
-                    "classes/src/functions/sin.php",
-                    "classes/src/functions/sinh.php",
-                    "classes/src/functions/sqrt.php",
-                    "classes/src/functions/tan.php",
-                    "classes/src/functions/tanh.php",
-                    "classes/src/functions/theta.php",
-                    "classes/src/operations/add.php",
-                    "classes/src/operations/subtract.php",
-                    "classes/src/operations/multiply.php",
-                    "classes/src/operations/divideby.php",
-                    "classes/src/operations/divideinto.php"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Mark Baker",
-                    "email": "mark@lange.demon.co.uk"
-                }
-            ],
-            "description": "PHP Class for working with complex numbers",
-            "homepage": "https://github.com/MarkBaker/PHPComplex",
-            "keywords": [
-                "complex",
-                "mathematics"
-            ],
-            "time": "2018-10-13T23:28:42+00:00"
-        },
-        {
-            "name": "markbaker/matrix",
-            "version": "1.1.4",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/MarkBaker/PHPMatrix.git",
-                "reference": "6ea97472b5baf12119b4f31f802835b820dd6d64"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/MarkBaker/PHPMatrix/zipball/6ea97472b5baf12119b4f31f802835b820dd6d64",
-                "reference": "6ea97472b5baf12119b4f31f802835b820dd6d64",
-                "shasum": ""
-            },
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-                "php": "^5.6.0|^7.0.0"
-            },
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-                "dealerdirect/phpcodesniffer-composer-installer": "^0.4.3",
-                "phpcompatibility/php-compatibility": "^8.0",
-                "phpdocumentor/phpdocumentor": "2.*",
-                "phploc/phploc": "2.*",
-                "phpmd/phpmd": "2.*",
-                "phpunit/phpunit": "^4.8.35|^5.4.0",
-                "sebastian/phpcpd": "2.*",
-                "squizlabs/php_codesniffer": "^3.3.0"
-            },
-            "type": "library",
-            "autoload": {
-                "psr-4": {
-                    "Matrix\\": "classes/src/"
-                },
-                "files": [
-                    "classes/src/functions/adjoint.php",
-                    "classes/src/functions/antidiagonal.php",
-                    "classes/src/functions/cofactors.php",
-                    "classes/src/functions/determinant.php",
-                    "classes/src/functions/diagonal.php",
-                    "classes/src/functions/identity.php",
-                    "classes/src/functions/inverse.php",
-                    "classes/src/functions/minors.php",
-                    "classes/src/functions/trace.php",
-                    "classes/src/functions/transpose.php",
-                    "classes/src/operations/add.php",
-                    "classes/src/operations/directsum.php",
-                    "classes/src/operations/subtract.php",
-                    "classes/src/operations/multiply.php",
-                    "classes/src/operations/divideby.php",
-                    "classes/src/operations/divideinto.php"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Mark Baker",
-                    "email": "mark@lange.demon.co.uk"
-                }
-            ],
-            "description": "PHP Class for working with matrices",
-            "homepage": "https://github.com/MarkBaker/PHPMatrix",
-            "keywords": [
-                "mathematics",
-                "matrix",
-                "vector"
-            ],
-            "time": "2018-11-04T22:12:12+00:00"
+            "time": "2018-09-04T19:00:09+00:00"
         },
         {
             "name": "maxhoffmann/parsedown-laravel",
@@ -4497,67 +4400,6 @@
             ],
             "time": "2019-08-31T10:55:06+00:00"
         },
-        {
-            "name": "opis/closure",
-            "version": "3.4.0",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/opis/closure.git",
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-                "shasum": ""
-            },
-            "require": {
-                "php": "^5.4 || ^7.0"
-            },
-            "require-dev": {
-                "jeremeamia/superclosure": "^2.0",
-                "phpunit/phpunit": "^4.0 || ^5.0 || ^6.0 || ^7.0"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "3.3.x-dev"
-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "Opis\\Closure\\": "src/"
-                },
-                "files": [
-                    "functions.php"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Marius Sarca",
-                    "email": "marius.sarca@gmail.com"
-                },
-                {
-                    "name": "Sorin Sarca",
-                    "email": "sarca_sorin@hotmail.com"
-                }
-            ],
-            "description": "A library that can be used to serialize closures (anonymous functions) and arbitrary objects.",
-            "homepage": "https://opis.io/closure",
-            "keywords": [
-                "anonymous functions",
-                "closure",
-                "function",
-                "serializable",
-                "serialization",
-                "serialize"
-            ],
-            "time": "2019-09-02T21:07:33+00:00"
-        },
         {
             "name": "paragonie/random_compat",
             "version": "v9.99.99",
@@ -5030,97 +4872,67 @@
             "time": "2016-01-26T13:27:02+00:00"
         },
         {
-            "name": "phpoffice/phpspreadsheet",
-            "version": "1.9.0",
+            "name": "phpoffice/phpexcel",
+            "version": "1.8.2",
             "source": {
                 "type": "git",
-                "url": "https://github.com/PHPOffice/PhpSpreadsheet.git",
-                "reference": "8dea03eaf60a349b6097e4bcad11f894668280df"
+                "url": "https://github.com/PHPOffice/PHPExcel.git",
+                "reference": "1441011fb7ecdd8cc689878f54f8b58a6805f870"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/PHPOffice/PhpSpreadsheet/zipball/8dea03eaf60a349b6097e4bcad11f894668280df",
-                "reference": "8dea03eaf60a349b6097e4bcad11f894668280df",
+                "url": "https://api.github.com/repos/PHPOffice/PHPExcel/zipball/1441011fb7ecdd8cc689878f54f8b58a6805f870",
+                "reference": "1441011fb7ecdd8cc689878f54f8b58a6805f870",
                 "shasum": ""
             },
             "require": {
-                "ext-ctype": "*",
-                "ext-dom": "*",
-                "ext-fileinfo": "*",
-                "ext-gd": "*",
-                "ext-iconv": "*",
-                "ext-libxml": "*",
                 "ext-mbstring": "*",
-                "ext-simplexml": "*",
                 "ext-xml": "*",
-                "ext-xmlreader": "*",
                 "ext-xmlwriter": "*",
-                "ext-zip": "*",
-                "ext-zlib": "*",
-                "markbaker/complex": "^1.4",
-                "markbaker/matrix": "^1.1",
-                "php": "^7.1",
-                "psr/simple-cache": "^1.0"
+                "php": "^5.2|^7.0"
             },
             "require-dev": {
-                "dompdf/dompdf": "^0.8.0",
-                "friendsofphp/php-cs-fixer": "@stable",
-                "jpgraph/jpgraph": "^4.0",
-                "mpdf/mpdf": "^7.0.0",
-                "phpcompatibility/php-compatibility": "^8.0",
-                "phpunit/phpunit": "^7.5",
-                "squizlabs/php_codesniffer": "^3.3",
-                "tecnickcom/tcpdf": "^6.2"
-            },
-            "suggest": {
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-                "jpgraph/jpgraph": "Option for rendering charts, or including charts with PDF or HTML Writers",
-                "mpdf/mpdf": "Option for rendering PDF with PDF Writer",
-                "tecnickcom/tcpdf": "Option for rendering PDF with PDF Writer"
+                "squizlabs/php_codesniffer": "2.*"
             },
             "type": "library",
             "autoload": {
-                "psr-4": {
-                    "PhpOffice\\PhpSpreadsheet\\": "src/PhpSpreadsheet"
+                "psr-0": {
+                    "PHPExcel": "Classes/"
                 }
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
-                "LGPL-2.1-or-later"
+                "LGPL-2.1"
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             "authors": [
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                     "name": "Maarten Balliauw",
-                    "homepage": "https://blog.maartenballiauw.be"
-                },
-                {
-                    "name": "Mark Baker",
-                    "homepage": "https://markbakeruk.net"
-                },
-                {
-                    "name": "Franck Lefevre",
-                    "homepage": "https://rootslabs.net"
+                    "homepage": "http://blog.maartenballiauw.be"
                 },
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                     "name": "Erik Tilt"
                 },
                 {
-                    "name": "Adrien Crivelli"
+                    "name": "Franck Lefevre",
+                    "homepage": "http://rootslabs.net"
+                },
+                {
+                    "name": "Mark Baker",
+                    "homepage": "http://markbakeruk.net"
                 }
             ],
-            "description": "PHPSpreadsheet - Read, Create and Write Spreadsheet documents in PHP - Spreadsheet engine",
-            "homepage": "https://github.com/PHPOffice/PhpSpreadsheet",
+            "description": "PHPExcel - OpenXML - Read, Create and Write Spreadsheet documents in PHP - Spreadsheet engine",
+            "homepage": "https://github.com/PHPOffice/PHPExcel",
             "keywords": [
                 "OpenXML",
                 "excel",
-                "gnumeric",
-                "ods",
                 "php",
                 "spreadsheet",
                 "xls",
                 "xlsx"
             ],
-            "time": "2019-08-17T22:24:35+00:00"
+            "abandoned": "phpoffice/phpspreadsheet",
+            "time": "2018-11-22T23:07:24+00:00"
         },
         {
             "name": "predis/predis",
@@ -7080,6 +6892,62 @@
             ],
             "time": "2019-08-06T08:03:45+00:00"
         },
+        {
+            "name": "symfony/polyfill-php56",
+            "version": "v1.12.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-php56.git",
+                "reference": "0e3b212e96a51338639d8ce175c046d7729c3403"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-php56/zipball/0e3b212e96a51338639d8ce175c046d7729c3403",
+                "reference": "0e3b212e96a51338639d8ce175c046d7729c3403",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3",
+                "symfony/polyfill-util": "~1.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.12-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Polyfill\\Php56\\": ""
+                },
+                "files": [
+                    "bootstrap.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill backporting some PHP 5.6+ features to lower PHP versions",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "polyfill",
+                "portable",
+                "shim"
+            ],
+            "time": "2019-08-06T08:03:45+00:00"
+        },
         {
             "name": "symfony/polyfill-php72",
             "version": "v1.12.0",
@@ -7193,6 +7061,58 @@
             ],
             "time": "2019-08-06T08:03:45+00:00"
         },
+        {
+            "name": "symfony/polyfill-util",
+            "version": "v1.12.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-util.git",
+                "reference": "4317de1386717b4c22caed7725350a8887ab205c"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-util/zipball/4317de1386717b4c22caed7725350a8887ab205c",
+                "reference": "4317de1386717b4c22caed7725350a8887ab205c",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.12-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Polyfill\\Util\\": ""
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony utilities for portability of PHP codes",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compat",
+                "compatibility",
+                "polyfill",
+                "shim"
+            ],
+            "time": "2019-08-06T08:03:45+00:00"
+        },
         {
             "name": "symfony/process",
             "version": "v4.3.4",