Pybel

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Added
~~~~~
- Added Project key to document metadata parser (https://github.com/pybel/pybel/issues/215)
- Reusable protocols for hashing nodes and edges

Fixed
~~~~~
- Edge store working (https://github.com/pybel/pybel/issues/212)

Changed
~~~~~~~
- Update resource urls (https://github.com/pybel/pybel/issues/211)
- General improvements to exception handling
- Made new minimum unpickle version 0.7.0

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Added
~~~~~
- Environment variable for data locations
- Add get network by ids merger

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Added
~~~~~
- Node and edge filter framework (https://github.com/pybel/pybel/issues/206)
- Network joining (https://github.com/pybel/pybel/issues/205 and https://github.com/pybel/pybel/issues/204)
- More thorough tests of IO

Fixed
~~~~~
- Bug when getting multiple networks by identifier (https://github.com/pybel/pybel/issues/208)
- Arguments to exceptions mixed up

Changed
~~~~~~~
- Use context in command line interface to streamline code
- Remove old, unused code

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Changed
~~~~~~~
- Merge OWL and BEL namespaces (https://github.com/pybel/pybel/issues/118)
- Remove lots of unused/redundant code
- Lots of functions renamed and moved... Sorry people.

Added
~~~~~
- Multiple options for graph joining
- Filter functions (https://github.com/pybel/pybel/issues/206)

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Changed
~~~~~~~
- Added line numbers to parsing exceptions
- Update minimum pickle parsing from 0.5.10 to 0.5.11 to reflect changes in parsing exceptions

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Added
~~~~~
- Network outer join (https://github.com/pybel/pybel/issues/205)
- Network full join with hash (https://github.com/pybel/pybel/issues/204 and https://github.com/pybel/pybel/issues/204)
- Option to suppress singleton warnings (https://github.com/pybel/pybel/issues/200)

Changed
~~~~~~~
- Moved :mod:`pybel.graph` to :mod:`pybel.struct.graph`
- Parse exceptions are renamed
- Update minimum pickle parsing from 0.5.4 to 0.5.10 to reflect changes in parsing execeptions and project structure

Fixed
~~~~~
- Rewrote the CSV Exporter (https://github.com/pybel/pybel/issues/201)