Updated version for next release cycle
Fix link to leiningen in README
Add function to reset a still classloader

Reset the alembic classloader in the still.  Can be used to reset the
classpath of the still, in case of conflicts, e.g. between lein plugins.
Update description in project.clj
Updated project.clj, release notes and readme for 0.3.2
Merge release/0.3.2