Add a changelog

Fixes #53.

Unreleased:
v0.6.0...master

v0.6.0:
v0.5.0...v0.6.0

v0.5.0:
v0.4.0...v0.5.0

v0.4.0:
v0.3.1...v0.4.0

Author: Ed Morley

CHANGELOG.rst

@@ -0,0 +1,32 @@
+Unreleased:
+-----------
+
+* Adds support for Django 1.9
+* #47 Changes implementation of MethodFilterss
+* Drops support for Django 1.7
+* #49 Fix ALL_LOOKUPS shortcut to obey filter overrides (in, isnull)
+* #46 Fix boolean filter behavior (#25) and isnull override (#6)
+
+v0.6.0:
+-------
+
+* #43 Adds a filter exclusion/negation syntax. eg, ?some_filter!=some_value
+* #44 Sets the minimum django-filter version required
+
+v0.5.0:
+-------
+
+* #38 Rework of related filtering, improving performance (#8) and some minor correctness issues
+* #35 Add ALL_LOOKUPS shortcut for dict-style filter definitions
+* #31 Fix timezone-aware datetime handling
+* #36 Fix '__in' filter to work with strings
+* #33 Fix RelatedFilter handling to not override existing isnull filters
+* #35 Fix python 3.5 compatibility issue.
+* Drops support for Django 1.6 and below
+
+v0.4.0:
+-------
+
+* Adds support for Django 1.8, DRF 3.2
+* Drops support for Python 2.6, DRF 2.x
+* #23 Adds __in filtering for numeric field types. eg, ?id__in=1,2,3