Added Char type support according to #3460

Add Char type support to scheme builder #3460
https://github.com/laravel/framework/pull/3460
A tiny gramatical fix
Added Windows to 'hostname' command tip
Update remember token documentation.
Various fixes.
Add note about IoC and event handlers.
Merge pull request #725 from nikoskip/patch-4

Added Windows to 'hostname' command tip
Oxford comma.
Merge pull request #722 from nikoskip/patch-3

A tiny gramatical fix
Merge pull request #719 from eduardocruz/patch-1

Added Char type support according to #3460
Added file isValid method.
Add note about app.debug in prod.
Merge branch '4.1'