Updated ReadMe and typos.
Allowed to use any metadata for the identifier.
Removed checks for "/" in generic paths.
Added helper to get all identifiers for a record type with one request.
Simplified and improved the route configuration for collections.
Fixed insensitive routing.
Replaced forward to error page by a 404 exception.
Updated name of class of helpers.
Changed order of parameters of the helper "GetRecordFromIdentifier()".
Changed default for install.
Added PhpUnit tests.
Updated ReadMe and version.