Implement ByteArray.shift/unshift, simplify ByteArray.push
Implement ByteArray.shift/unshift, simplify ByteArray.push

Transcordia/ringojs,oberhamsi/ringojs,Transcordia/ringojs,ashwinrayaprolu1984/ringojs,oberhamsi/ringojs,Transcordia/ringojs,ringo/ringojs,ringo/ringojs,ringo/ringojs,Transcordia/ringojs,ashwinrayaprolu1984/ringojs,ashwinrayaprolu1984/ringojs,ringo/ringojs,ashwinrayaprolu1984/ringojs,oberhamsi/ringojs