Setting up the section titles for the array builder docs
Update underscore.array.builders.js.md
Added _.cons intro
Added _.cons intro examples
Added _.cons pair examples
Added _.cons arguments examples
Added multiple sigs to cat
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Update underscore.array.builders.js.md

_.repeat info
Journoify
_.cycle info
Update to include _.partition info
Added _.partitionAll
Update underscore.array.builders.js.md
_.attempt(object, 'method', [*arguments])

A helper function, similar to Rails' `try`,
that will call the method on object, unless
object is undefined or null. Passes the 3rd+
argument as the arguments to the method.
Merge pull request #62 from jridgewell/attempt

_.attempt(object, 'method', [*arguments])
mapcat example
Added interleave
Added weave
Added splitAt