Gitignore Parser Versions Save

Thank you @matthieumarrast for the PR!

Thank you @ericwb for the PR!

Thank you @ruancomelli for the PR.

Thank you @jherland!

• Fix lack of implicit anchoring of patterns to directory separators (#58)
• Fix multi-asterisks that fall outside of the special cases (#57)
• Fix "a/**/b" matching "a/bb" (#56)

Thank you @jherland!

• Fix patterns with leading exclamation marks
• Fix pattern with slash in range

Great PRs by @ruancomelli:

• https://github.com/mherrmann/gitignore_parser/pull/48
• https://github.com/mherrmann/gitignore_parser/pull/49
• https://github.com/mherrmann/gitignore_parser/pull/50
• https://github.com/mherrmann/gitignore_parser/pull/51

Also fixes a depreciation warning (#42).

Thank you @ruancomelli!

Thank you @ruancomelli for the PR!

Fixes #45. Thank you @PidgeyBE for the PR!

The following warning appeared and is now fixed:

gitignore_parser.py:143: DeprecationWarning: Flags not at the start of the expression '^(?ms)foo$'

Thank you @JulienPalard for the PR!

Thank you @szczeles for the PR!