v3.0.0

• EnumCollection now it's a one-dimensional collection that contains only enums.
• New Unique options on model casting that prevent to have duplciates on EnumCollection
• EnumCollection new methods: containsAny, doesntContainAny, toValues, toCollectionValues, mapStrict, mapWithKeysStrict
• EnumCollection methods not supported range, median, mode, crossJoin, flip, collapse, collapseWithKeys, pluck, mergeRecursive, select, flatten, replaceRecursive, sliding, dot, undot, zip
• EnumCollection methods that return a normal laravel collection: map, keys, mapWithKeys, combine, mapToDictionary, groupBy, split, splitIn, chunk, chunkWhile, countBy, toBase