Bugfix: respect fitzpatrick modifier when extracting emojis (thanks @sullis)

• Many performance improvements to the parsing of the emojis (thanks @freva)
• Add a containsEmoji function (thanks @freva!)

• Fix the HTML to Unicode parser to always parse the longer emojis (thanks @freva)
• Add alias for "pumpkin" (thanks @sullis)
• Add a lot of missing flag emojis (thanks @ankitkariryaa)
• Support for all emojis from Unicode 11.0
• Support for all emojis from Unicode 10.0
• Add a EmojiParser.replaceAllEmojis function (thanks @cbedoy)

• Add "source code" strings to emoji json database
• Fix some missing/out-of-order code points (thanks @BillyGalbreath)
• Upgrade org.json:json dependency (thanks @PhotonQyv)
• Update README with new emojis (thanks @jtobard)

• Add family_man_woman_girl_boy emoji (thanks @freva)
• Fix EmojiManager.isEmoji to support fitzpatrick modifiers (thanks @freva)
• Fixed several emojis that had the wrong support_fitzpatrick flag (thanks @Tapchicoma)
• Add some tests to avoid duplicate aliases
• Fixed several duplicated aliases in the emoji DB

• Fixed Poland flag (thanks @Sheigutn)
• Improvements to the smile emojis (thanks @miquelbeltran)
• Add a bunch of emojis from Apple iOS 10.2 release
• Fix some missing fitzpatrick modifiers
• Add an EmojiManager.isOnlyEmojis() method

Removed all variance selectors from the JSON database

• Additions and updates to the emoji database (victory hand now supports fitzpatrick, adds Saint Vincent Grenadines' flag, add the regional indicator symbols). Thanks Daniel!
• Force the database to be loaded in UTF-8.
• Enable the extension of the EmojiParser class.

• Add the ability to provide a custom EmojiTransformer that will enable developers to add their custom emoji replacement methods. Thanks @freva !

• Add fitzpatrick support for 👃 ("nose") and 👂 ("ear")
• Fix duplicated "sunglasses" alias
• Performance improvements (using a Trie structure)
• Parsing support for multiple emojis (such as "family_man_woman_boy")
• Fix EmojiManager.getAll() that returned some duplicates
• Use a BufferedReader to load the database