- Renamed PackageLoader to PackageHandler
- PackageHandler cleanup
Package cleanup
- Moved committing logic into PackageHandler
Fix for Package committing
Use Package >> commit to commit package
Optimizes pieces of forwarding code.
dnu: lookupProperty:, forwardMessage:WithArguments: used

The semantics is cleaner.
Inline JS does only very specific tasks.
JSObjectProxy: removing old methods
asJavaScriptSelector commented, moved to Kernel-Objects
Merge pull request #449 from herby/optimized-forward

Optimizes pieces of forwarding code.
- Context handling in blocks
- thisContext pseudo-variable local set in AIContext
- Fixed AIContext >> selector
- Interpreter test for thisContext
Block context creation refactoring
Cosmetic newline after method comment in JSObjectProxy >> lookupProperty: