Bugfix
9 changes
Support middle expressions on trim mode
Correct typo on Calendar types
Ensure redefined functions point to the proper source
Add :allow_nonexistent_atoms to support unsafe behaviour prior to v1.4
Allow consuming multiple items from suspended enumerable in Stream.transform/3
Incorporate new grapheme rules in Unicode 9
Do not crash on aliases which are not known at compile time
Ensure umbrella projects can depend on other umbrella projects
Ensure previous archives with .ez extension are deleted