Switch to new thread based factories to create class loader and manager instances
Merge pull request #28 from wagnert/master

Switch to new thread based factories to create class loader and manager ...
Switch to new techdivision/websocketserver version 0.4.*
Merge pull request #29 from wagnert/master

Switch to new techdivision/websocketserver version 0.4.*
minor cleanup. added opcache reset at startup