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