Revert "rename flat => unnest; support array-like objects (e.g. arguments) when flattening"
Merge pull request #232 from CrossEye/revert-231-master

Revert "rename flat => unnest; support array-like objects (e.g. argument...
Update ramda.js
Update test.flatten.js
fix broken test
try this again: unnesst/flatten array-like