Fixes to some debugging statements; better error message for module or function not found; fix bug in klog
keys() and values() should return empty array when they can't run due to typing issues
Added simple ICal module with 'from_array' method
clean up to require fewer libraries
Add UID to ICal; fix Cloud to not JSON encode literals; fix join() operator to completely eval array; add is_typed_value() predicate
Merge branch 'master' into sandbox