yl - set up test coverage stat and update README
add rspec test for Util::Decoder
Merge pull request #17 from ipmsteven/addUnitTest

yl - add rspec test for Util::Decoder
yl - disable StringLiterals check
Merge pull request #22 from ipmsteven/configHoundCI

yl - disable StringLiterals check
Polo/yl - add aruba test for xmfun
Merge pull request #20 from xmfun/arubaTest

set up travis, vcr, webmock and aruba
yl - add lyrics support
yl/Polo - add test to addLyrics feature