Fix flake8 issues (#41)

Co-authored-by: Evan Goetz <[email protected]>

Merge pull request #39 from gwpy/fix-init

Fix init

Merge pull request #38 from gwpy/update-versioneer

Update versioneer to latest version

Merge pull request #37 from iaraota/fix_omicron_columns

Update omicron column in the hdf5 format

Major release for modularity and stability

Point release for glitchgram formatting

Update manifest to include license file

Metadata-only point release for setup.py

Point release for metadata only

Initial release for gwvet