Add support for stm32f107

[franeklubi]

This is me reviving an old pull request: #23

My changes include:

• synchronizing with changes on master
• updating the dependencies to the newest minor versions and fixing all breakages
• fixing examples

[franeklubi]

Thank you for the review @rfael and @mateuszkj

I've implemented the changes I marked with 👍 emoji

[korken89]

Hi, is there any progress to arrive at a merge? Maybe ping @thalesfragoso / @adamgreig

[korken89]

Pinging again @thalesfragoso / @adamgreig