v3.0.1

[amazeika]

Changelog

• ModelEmpty::create should return immutable entity joomlatools/joomlatools-framework#451: ModelEmpty::create should return immutable entity
• Support newer database column types joomlatools/joomlatools-framework#449: Support JSON columns and default to 'raw' filter for unknown column types
• PHP5.6  joomlatools/joomlatools-framework#395: Use argument unpacking instead of call_user_func
• Fixed class name and typos
• Remove the use of set-env as it is deprecated