Extra: Fix utf16 link handling

What's Changed

• Combination of bold and italic by @gaebel in https://github.com/bmoliveira/MarkdownKit/pull/88
• Fix and test bold, italic, strikethrough combinations by @gaebel in https://github.com/bmoliveira/MarkdownKit/pull/89
• Fix links and parentheses don't work well together by @gaebel in https://github.com/bmoliveira/MarkdownKit/pull/90
• Hot fix by @gaebel in https://github.com/bmoliveira/MarkdownKit/pull/91
• Improve links and preserve styles by @gaebel in https://github.com/bmoliveira/MarkdownKit/pull/92
• Change protocol inheritance from class to AnyObject by @chandlerhuff in https://github.com/bmoliveira/MarkdownKit/pull/93
• Fix a crash when parsing lists with lots of spaces after the indicator character by @guillaumealgis in https://github.com/bmoliveira/MarkdownKit/pull/94
• Fix AppStore "missing plist key" error when upload Carthage compiled framework by @ilia3546 in https://github.com/bmoliveira/MarkdownKit/pull/95
• Add Support for SPM Dynamic Package by @dbarden in https://github.com/bmoliveira/MarkdownKit/pull/105
• Enable Library Evolution by @jaredteladoc in https://github.com/bmoliveira/MarkdownKit/pull/117