add module name to context functions
start renaming op to fn
fix help and graphite docs
rename ops to context_fns
rename cli to fns
last of the cli renaming
move module loading out of app
split load_modules into function
only expose imported functions
include modules and imports in context fns
fix reading of imports
add missing q dependency
Merge pull request #40 from also/module-namespaces

modules for cli ops