add phpdoc to every method for autocompletion

[bussnet]

add phpdoc for the methods, so with the barryvdh/laravel-ide-helper there is autocompletion with IDEs like PhpStorm

[coveralls]

Coverage remained the same at 94.647% when pulling aec7d9f on bussnet:master into 8056cea on adamwathan:master.

[bussnet]

now fixed the messed up indention

[coveralls]

Coverage remained the same at 94.647% when pulling 398e247 on bussnet:master into 8056cea on adamwathan:master.

[SlyDave]

I feel for this to be accepted there should also be descriptions

@param string $value

@param string $value Blah blah blah

[adamwathan]

I'm not worried about the descriptions at all, honestly. Will merge this if you can fix the merge conflicts @bussnet, thanks!