Merge pull request #31 from jpwsutton/fixing-publish-workflow

fix: adding environment secret to publish workflow

Merge pull request #30 from jpwsutton/general-code-improvements

feat: adding publish workflow

fix: just use the readymade precommit action

feat: adding updated instructions to readme and development files

fix: upgrading pytest-cov and fixing command

fix: adding lcov output

feat: adding coveralls

feat: general code improvements and adding github workflow

Merge pull request #25 from jpwsutton/dependabot/pip/pillow-8.2.0

Bump pillow from 6.2.2 to 8.2.0

Updating Tests to include the SP2 and SP3 clients and Debug server

Issue #22 - Adding Preview functionality so you can see how the printer will scale and orient the image before printing

Updating travis build to use Python 3.7