7-Zip-JBinding release: 0.3

Release - 0.3 (beta, extraction only, simple extraction interface)
Some memory problems was fixed:
- Bug fixed #1928623 - Large TAR files can't be extracted
- Bug fixed #1928111 - Error extracting files larger that 8192 bytes

* Simple extraction interface - allows easy information
gethering and extraction of archives

* JUnit tests for simple extraction interface