add more information to problem description
upgrade bytewiser and active exercises to workshopper v1.0.0-alpha05
remove legacy problems directory
add random number instead of hardcoding; remove console.log of arguments
add v0.10.26 node_apidoc
update hexademical_encoding exercise to pass array of bytes via process.argv
Merge pull request #16 from sent1nel/patch

upgrade bytewiser and active exercises to workshopper v1.0.0-alpha05