Throws Exception for Packer if there are too few arguments
Change Directive H,h,B,b to use ASCII-8bit encoding
Add missing tests
Fix the bug of Unpack#unpack("c*") on empty String
Fix Derictive H, h bug
Add ASCII8BitUTF
Add ASCII8BitUTFTest
Update RubyCollect4JTests
Ready to release v1.7.4
[maven-release-plugin] prepare release rubycollect4j-1.7.4
Back to v1.7.4-SNAPSHOT
[maven-release-plugin] prepare release rubycollect4j-1.7.4
[maven-release-plugin] prepare for next development iteration
Update README.md
Refactor interal codes
Improve codes
Avoid potential NUL char comparison bug
Improve code readability
Increase the flexibility of RubyArray API by accepting Collection in
certain methods

Change Comparable<RubyArray> to Comparable<List> in RubyArray
Fix the potential bug of new RubyString(CharSequence)