What's Changed
* PPF-25: create exceptions by chinapandaman in https://github.com/chinapandaman/PyPDFForm/pull/38
* PPF-26: unit tests by chinapandaman in https://github.com/chinapandaman/PyPDFForm/pull/39
* PPF-26: unit tests for core by chinapandaman in https://github.com/chinapandaman/PyPDFForm/pull/40
* PPF-37: make left and upper padding configurable for canvas method by chinapandaman in https://github.com/chinapandaman/PyPDFForm/pull/41
* PPF-44: update README wording by chinapandaman in https://github.com/chinapandaman/PyPDFForm/pull/46
* PPF-45: add pre commit hook for black and isort by chinapandaman in https://github.com/chinapandaman/PyPDFForm/pull/47
* PPF-48: split simple mode and none simple mode fill method by chinapandaman in https://github.com/chinapandaman/PyPDFForm/pull/49
* PPF-42: simple mode allows enable editing by chinapandaman in https://github.com/chinapandaman/PyPDFForm/pull/50
* PPF-45: not doing pre commit for now by chinapandaman in https://github.com/chinapandaman/PyPDFForm/pull/51
* PPF-28: API docs by chinapandaman in https://github.com/chinapandaman/PyPDFForm/pull/52
* PPF-28: update README with api reference by chinapandaman in https://github.com/chinapandaman/PyPDFForm/pull/53
* PPF-28: bump for release by chinapandaman in https://github.com/chinapandaman/PyPDFForm/pull/54
**Full Changelog**: https://github.com/chinapandaman/PyPDFForm/compare/v0.0.7...v0.0.8