v0.1.8

• Allow disk access (for macOS): #2

v0.1.7

• Test and build on Python 3.9
• Set up Github Actions

v0.1.6

• Fix pandas error of reading xlsx files. Latest xlrd does not support xlsx files.
• Add blank symbol
• Add directed recombination recognition site symbol

v0.1.5

• Fixed license autodetection
• Fixed PyPI Project description
• Tests
• Travis CI + Coveralls