Build with GHC 7.6.

Convert tests from test-framework to Chell.

Move sources into lib/ and cbits/ directories. Remove old scripts/ dir.

Clean up cabal file, update homepage and repository links.

Remove maximum version limit on "bytestring".

Bump version to 0.7.3.

Support building in GHC 6.10

Handle magic entity references like ``&`` in attribute values when
reference preservation is enabled.

Version 0.7

Add haddock docs

Use ``unsafeUseAsCString`` in ``withUTF8``

stylistic

Add a test that entity references in attribute content is expanded properly.

Add missing callbacks to ``freeCallbacks``

just use IO in the test cases

Add a callback for ignorable whitespace.

merge "characters" and "cdata" callback sections

Disable loading external entities. Begin work on user-specified entity
loading.

Fix a few warnings

Comment out unused callback FFI imports

Remove ``parseLazyBytes``