New File: lazy.js for deferring execution of functions
new Function methods: nest and invoke
+Array::binaryIndexFor, Array::insort
+Array::sliceRange

from http://stackoverflow.com/a/11828268/1048572
aesthetical improvements
Merge remote-tracking branch 'origin/master'

Conflicts in Array.js (binaryIndexOf was copied to both) resolved
+F.js
docs for F()