Failing test on positional args
Fix and new spec for positional args
Merge branch 'master' of gitlab.pnmac.com:delorean

Conflicts:
	spec/eval_spec.rb
whitelisted index method for hash arrays
whitelist member? and index functions for any type of 1st arg
Added simple unpacking to list/hash comprehension; removed set
comprehension (not used in Gemini now); Whitelisted member/index for
additional types; Unpinned activerecord dependency;