0.6.17: Update crystal version to 1.17

0.6.16: Handle empty/zero-line classes in Cobertura parser

0.6.15: Add support for linux on aarch64

0.6.14: Fix regex in golang parser

0.6.13: Fix makefile > new_version

0.6.12: loosen file restriction on matches? method for some parsers

Limit parsers and check file validity when format specified

0.6.10: Fix coveragepy parser

0.6.9: Switch back to manual coverage.py parser

fix Codefresh PR number variable