Fix Build for iOS

Fix builds for iOS due to date formatter availability.

0.2.0

• Update logging dependency
• More robust logic in construction of a parsed EXT-X-START tag
• More organized tag parsers
• Expanded test suite, including auto-encoding tests
• Simplify protocol conformance for core types
• Improved representation of encryption method type

0.1.0

• Fixed byte ranges
• Correct media initialization URI
• Removed Utilities package
• Updated dependencies

fMP4

• Independent segments tag
• Explicit media sequence
• Media segment byte ranges
• Correct media segment parsing for empty names

0.0.3

• Add support for comments
• Treat unrecognized tags as comments instead of fatal errors
• Control level of printed output with FFCLog
• Update FFCParserCombinator version to 0.0.6