Initial unittest
Add __eq__ to Location
Add GeistFakeBackend for testing
Added test for filters
Add test to setup.py
Width & height right way round. Fix scope of test vars
Merge pull request #13 from ant1441/unit-tests

Unit Test structure
Merge pull request #14 from tonysimpson/master

Improvements to Location
Rework best_convolution for greater clarity
Comments on convolution
Comments on convolutions & code cleanup for clarity
Bug fix: result from convolution match. Result is inside template
Tests for convolutions
Further tests for padd_bin_image... and docs
Rename variables
Add some comments
All locations should have _image. Fix copied attrs
Fix tests for change in Location
Merge pull request #15 from ant1441/convolution

Convolution
Merge pull request #16 from ant1441/location-fix

Location fix