Merge pull request #3 from thewall13/develop

Develop
added test-class for OObjectLazyMap

added new method getOrDefault to OObjectLazyMap, to avoid problems with
java 8. Hashmap has an own implemantion of this, but this implemantation
is incompatible to the lazy loading of OObjectLazyMap.

Added test-case for getOrDefault of OObjectLazyMap
Merge branch 'getOrDefaultLazyMap' into develop
used formatter