Test against Clojure 1.5.0-RC4
Use Support 0.11.0
Update gitignore
These are redundant
Reworking URI path segment encoding, references #20

Still not all tests pass
Correct path segment encoding

We take a fairly primitive but good enough approach
that Neography uses. It is also more efficient, too.
clj-http 0.6.4
Clojure 1.5.0-RC6
Merge branch 'issue20'