add keyword recognition for "FULL OUTER JOIN" and "CROSS JOIN"
add FULL to common keywords (frequently used in OUTER JOIN definitions)
Fix tagging of identifiers by not taking single quoted strings into account (fixes #111).
Preparing 0.1.9
Switch back to development mode.
extend regex to allow recognition of 'NATURAL JOIN'
tighten up JOIN regex

ensure the regex does not match against invalid permutations such as 'LEFT OUTER CROSS JOIN', since CROSS/NATURAL keywords were added
Remove buffered reading again (fixes #114).

It causes problems with some sources.
Merge pull request #112 from alexander-beedie/master

extended JOIN token recognition/lexing (eg: FULL OUTER JOIN, NATURAL JOIN)
Add test case for JOIN, update Changelog and AUTHORS.
Cleanup tox.ini, remove Python 2.4 tests.

tox and virtualenv doesn't support Python 2.4 anymore and for us it's time
to drop support too. For now it still works, but we don't test it anymore.
Improve grouping of expressions (targets #23).
Actually import setup, even without setuptools (fixes #115).
Update keywords.py

delare BEGIN, START, COMMIT and ROLLBACK as DML keywords to allow sqlparse to be used to identify transactions
Bump version.
Update Changelog.
Switch back to dev mode.
Update authors.
Fix incorrect parsing of string literals with line breaks (fixes #118).
Merge pull request #116 from victorhahncastell/master

Update keywords.py