Iatikit

Added
- Deploy to pypi from travis ([26](https://github.com/codeforIATI/iatikit/issues/26))

Changed
- Move repo from andylolz to pwyf

Added
- Log a warning when dataset XML is invalid
- Add some documentation in docs/ as well as some docstrings ([16](https://github.com/codeforIATI/iatikit/issues/16))
- Be more specific about exception handling (i.e. don’t use `except:`)
- Add python 2.7 support
- Start adding tests; Setup travis and coveralls

Changed
- Make `dataset.root` less strict
- metadata should return empty dict if file not found
- Simplify some set operations

Added
- Add a publisher metadata property ([17](https://github.com/codeforIATI/iatikit/issues/17))
- Add `filter` as a synonym for `where`
- Add show() function to Publisher, Dataset and Activity models
- Add an `xpath` activity filter

Changed
- `find` and `first` raise errors when no data found. `get` returns a default value
- `xml` property moved to `etree`; `raw_xml` property moved to `xml`

Removed
- `get()` shouldn’t be a synonym for `all()`

Added
- Codelist support for all versions (i.e. v1.01+)
- Add `start` and `end` properties to activities
- Error when there’s no data ([12](https://github.com/codeforIATI/iatikit/issues/12))
- Error when there are no codelists
- Improved sector support ([22](https://github.com/codeforIATI/iatikit/pull/22))

Changed
- Change internal representation of codelists ([20](https://github.com/codeforIATI/iatikit/issues/20))
- Return python `date` objects for dates
- Always strip IATI identifiers

Fixed
- README render

Added
- Support set slicing
- Add a getter to all Sets. A set-getter!
- Ensure only known filters are used
- Allow for codelist filtering by code
- Add codelist `data` and `metadata` properties

Changed
- Tidy up Activity model repr
- Reword examples in README slightly, for clarity
- Refactor activity property fetching, to be less clever
- Rename all exceptions, according to PEP8
- Major improvements to codelist code
- Always cast codelist codes to string

Fixed
- Get date type exists filter working
- DateTypes should also be filterable by generic filters

Removed
- Remove some cruft from the README about schema download