[feature] Properly implemented HTTP Accept Header parsing
[refactor] Make tests more readable
[test] Guard against wildcard in ContentTypeHeader
[bugfix] Corrected Handling of HTTP Accept Header
[refactor] Tidied up InternetMediaType
[test] Added more extensive test cases for %rest:consumes and %rest:produces
[doc] Added further javadoc
[feature] Implemented support for quality factors in HTTP Accept Headers used with %rest:produces
[bugfix] Fixed wildcard media subtypes and any media type handling in both %rest:consumes and %rest:produces