v0.9.0

What's Changed

• Panic if no validator is specified by @drkameleon in #8
• Fix IPv6 validation by @drkameleon in #9
• Fix e-mail validation by @drkameleon in #10
• Fix credit card validation by @drkameleon in #11
• Fix SHA validation by @drkameleon in #12
• Fix date format aliases by @drkameleon in #13
• Fix URL validation by @drkameleon in #14
• Fix ISBN-10 check digit by @drkameleon in #15
• Fix SEDOL validation accepting spaces by @drkameleon in #16
• Fix IP validation with both .v4 and .v6 by @drkameleon in #17
• Fix version validation by @drkameleon in #18
• Misc fixes & rename version to semver by @drkameleon in #19
• Run all unit-tests through valid? by @drkameleon in #20
• CI cleanup by @drkameleon in #21

Full Changelog: v0.8.0...v0.9.0