Add experimental soft refrence cache.
Merge branch 'master' into 1.0.0-SNAPSHOT
Fix pom version.
Remove missing stuff from Javadoc and throw exception in private constructors.
Introduce guava and legacy module.
Move eveyrthing in egacy module.
Extract guava module.
Add other modules.
Extract system module.
Extract swing module.
Extract shell module.
Extract concurrent module.
Extract experimental module.
Remove legacy module.
Adapt readme to 1.0.0.
Introduce own goupe id.