Improved "System.Logger" capabilities
Improvements ''jar.lang"
Added Features

Possibility for loading versioned modules (not perfect yet);
Reset loader with JAR.flush();
Changes in syntax for interceptors.
Fixed adding destructors to instance only
Added possibility to negate function
Added mixin "jar.lang.M$Destructable"
Cleanup dependencies using interceptors
Made classes reference the hashes instead of super- and subclasses directly