add missing style.scss
bind context to user functions and when context functions are accessed
clean up function binding
fix #151: don't show toString of argument to help
fix handling of modules as return values
fix #162, #137: improve help command
help navigation
#164: handle lead errors a little better
post to lead, show exceptions
clean up some apply_to
make graph the default target command
scope prototype
use documentation module to resolve context help
remove some imports
font awesome
data isn't a function anymore
style tree
link icon
tree
make quickstart lead markdown friendly