Merge pull request #39 from seccoale/master

Edited Loops.
Merge pull request #40 from seccoale/master

Fixed Little but on initialization of LoopInteger
Merge pull request #41 from seccoale/master

Fixed NullPointerException in ZestLoopStateFile.deepCopy
Set stored in sublasses loop (non generic), fixed some issues, removed
some useless construptors and methods