can used -> can be used
Merge pull request #40 from quackingduck/patch-1

can used -> can be used
Add license information
End the guide on a cheerful note
A couple of line-wrapping fixes
Use `when-not` instead of `(if-not ... (do ...)`.
Add an atom reset! code example
Add a ref-set code example
Add a couple of metadata related rules
Add a couple of naming examples
A couple of line wrapping fixes
Fix #19 - it's ok to group related defs together
Add missing comment
Line wrapping
Fix #7 - added a tooling section
Extended a bit the _ example
Replace NPE with NullPointerException
Update README.md

goo/foo/s
Merge pull request #46 from mnemnion/master

Renamed variable (consistency)
added hints on formatting for cond-like constructs