----------------------------
Bug Fixes
* Improve parsing of floats (thanks to Kris).
* When formatting a statement a space before LIMIT was removed (issue35).
* Fix strip_comments flag (issue38, reported by ooberm...gmail.com).
* Avoid parsing names as keywords (issue39, reported by djo...taket.org).
* Make sure identifier lists in subselects are grouped (issue40,
reported by djo...taket.org).
* Split statements with IF as functions correctly (issue33 and
issue29, reported by charles....unige.ch).
* Relax detection of keywords, esp. when used as function names
(issue36, nyuhu...gmail.com).
* Don't treat single characters as keywords (issue32).
* Improve parsing of stand-alone comments (issue26).
* Detection of placeholders in paramterized queries (issue22,
reported by Glyph Lefkowitz).
* Add parsing of MS Access column names with braces (issue27,
reported by frankz...gmail.com).
Other
* Replace Django by Flask in App Engine frontend (issue11).