Add clojure.set dependency
Bump riddley
Copy riddley.walk

With intent to apply some patches that are not released yet
Handle def with docstring

https://github.com/ztellman/riddley/pull/11
Add test for oxbow.namespace.body
Do not fail if symbol doesn't resolve to Var
Refactor function
Only return symbols with resolved ns
Ignore all qualified symbols

Including namespace and Java class names
Eval all forms in ns
Add debug println
Resolve first of form before macroexpanding
Do not analyze macros for now