[FIX] Add explicit include to coveragerc

[lasley]

I noticed a coverage drop when I edited the ReadMe in #8. This PR should fix that by providing an explicit includes for only python files in the package directory.

[coveralls]

Coverage remained the same at 89.007% when pulling 03c3229 on LasLabs:hotfix/coverage-ignore into 115f7e9 on acsone:master.

[coveralls]

Coverage remained the same at 89.007% when pulling 03c3229 on LasLabs:hotfix/coverage-ignore into 115f7e9 on acsone:master.

[coveralls]

Coverage remained the same at 89.007% when pulling 03c3229 on LasLabs:hotfix/coverage-ignore into 115f7e9 on acsone:master.

[coveralls]

Coverage remained the same at 89.007% when pulling 03c3229 on LasLabs:hotfix/coverage-ignore into 115f7e9 on acsone:master.

[coveralls]

Coverage remained the same at 89.007% when pulling 6717936 on LasLabs:hotfix/coverage-ignore into 115f7e9 on acsone:master.

[lasley]

I feel like maybe I did something wrong though, because there should have been a coverage raise here 😕

[lasley]

Hrm so whatever was dropping the coverage is fixed, because my PR now raised coverage. This is definitely not right & I don't know enough about coveragerc to make it right. All that in mind, closing.