Merge branch 'release/0.8.0' into develop
Expand TaskwarriorError output to include the command.
That's a list.. whoops!
These also need to be escaped.
Add some passing tests of task filtering.
Test and fix a problem with filter encoding.
Test and fix another problem with filter encoding.
Add some other similar tests that all pass.
Test and fix another problem with filter encoding.
Test and implement logical operations in task filters.
Add a test for encoding of slashes.
Test and fix annotation escaping.
subprocess is expecting bytestrings.
0.8.1
Merge branch 'release/0.8.1'