1.5.2 Allow create func in getOrCreate to return null. 1.5.0 Add getOrCreate. 1.4.0 Added move. 1.3.0 remove now returns BasicTrieNode<K, V>?. 1.2.0 Rename Node to BasicTrieNode. 1.1.0 Add remove and renameLastComponent. 1.0.0 Initial version.