"set" instead of "let"; use inp as value if no 2nd arg
Pipeline class which handles script loading
scripts now only return last result
updated parser
Merge branch 'master' of github.com:qnectar/pipeline
introduce Scope as superclass of Context and Environment
update repl, tests to follow new API
update set & alias for Scope
stream version of cat
use buffer by default when GETting; add post command; toString command
merge HTTP module