Update src/Wishfoundry/Authorize/AuthorizeUserRoleTrait.php

Corrected wrongly named function parameter.
Update src/Wishfoundry/Authorize/AuthorizeUserRoleTrait.php

Added ->withTimestamps() to Role::roles() to maintain timestamps on pivot table.
Update src/Wishfoundry/Authorize/AuthorizeUserRoleTrait.php

Clarification of method comments.
Update src/Wishfoundry/Authorize/AuthorizeUserRoleTrait.php

Fixed omitted parameter name.
Update src/Wishfoundry/Authorize/AuthorizeUserRoleTrait.php

Fixed relationship class type in AuthorizeUserRoleTrait::roles(), previous type does not exist in the current build
Merge pull request #2 from iccle/master

Fixed AuthorizedUserRoleTrait::attachRole having a wrongly named parameter.