Upgrade project to use Slim Framework 3

Via PR #31

* jwelmac-slim-v3:
  Fix incorrect tabs in composer config
  Ensure data passed with request for other methods eg. post
  Add new classes
  100% Code Coverage. New SlimInstance class to abstract creation
  Test all methods in WebTestClient
  Ensure all tests passed. Wrote cookie test
  Updated composer json to match original
  Upgrade slim to v3, phpunit v5, dbunit v2

.gitignore

@@ -1 +1,2 @@
+.idea
 /vendor/

composer.json

@@ -9,9 +9,9 @@
         {
             "name": "Craig Davis",
             "email": "craig@there4development.com"
-	}, {
-	    "name": "Guillermo A. Fisher",
-	    "homepage": "http://guillermoandraefisher.com"
+        }, {
+        "name": "Guillermo A. Fisher",
+        "homepage": "http://guillermoandraefisher.com"
         }
     ],
     "support": {
@@ -20,13 +20,13 @@
     },
     "minimum-stability": "dev",
     "require": {
-        "slim/slim": "2.6.*",
+        "slim/slim": "3.*",
         "phpunit/phpunit": "5.*",
         "phpunit/dbunit": "2.*",
         "illuminate/database": ">=4.0"
     },
     "require-dev": {
-        "squizlabs/php_codesniffer": "1.*"
+        "squizlabs/php_codesniffer": "2.*"
     },
     "autoload": {
         "psr-0": {
@@ -39,7 +39,8 @@
         }
     },
     "scripts": {
-        "test" : "vendor/bin/phpunit --verbose --coverage-text",
-        "sniff" : "vendor/bin/phpcs --standard=PSR2 --extensions=php src tests"
+        "test": "vendor/bin/phpunit --verbose --coverage-text",
+        "sniff": "vendor/bin/phpcs --standard=PSR2 --extensions=php src tests",
+        "fix": "vendor/bin/phpcbf --standard=PSR2 --extensions=php controllers models routes src tests"
     }
 }