THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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- Update "internal" injection to use current Guice.
- Refactorings for further extensibility based on questions on the list, on CodeRanch, and Stack Overflow
- Refactor conversion of primitives (and wrappers) in XWork
- Switching to OGNL 4.0.
- Adopt slf4j as new logging framework: this allows developers to plug-in any logging framework they want.