apply is a macro
Only error on ambiguous imported function calls, not on the imports themselves. Fixes #788.
Merge pull request #937 from alexrp/master

Only error on ambiguous imported function calls, not on the imports themselves.
Clarify import conflict semantics.
Refactor find_dispatch to loop data functions and macros lists just once
Merge pull request #938 from alexrp/master

Clarify import conflict semantics.
Define Record.options for each record with the allowed options

Closes #916, #857
Make it clear module attributes are prepended, closes  #872
Allow match syntax on nested records, closes #871
Can defined a nested module called Elixir, closes #858
Improve error messages on else do grammar mistakes, closes #888
Add import: option to doctests. It is false by default.