Graphkb

**Full Changelog**: https://github.com/bcgsc/pori_graphkb_python/compare/v1.14.0...v1.15.0

Feature:

- Add cancerGene flag to get_gene_information()

Feature:

- Add get_cancer_genes()

Feature:

- Add type screening and length threshold for structural variant matching
- Add dataset file reference for tests

Bugfix:

- Fix relevance filtering for cancer predisposition function

New Feature:
* GERO-337 - get_gene_information function added.
Improvements:
* update docstrings and import orders

Bugfix:

- match.py::match_positional_variant() using equivalent terms in lieu of whole tree for list of matching types