Version 0.2: [added] Standford NLP Core Library with Maven
V0.2: [added] WordCount to add word frequency into HashMap
V0.2: [added] Model for NLP
V0.2: [added] WordLexer to parse tokenized words into LinkedList
V0.2: [added] SyllableLexer to check if vowels exist in a string
V0.2: [added] ISentenceLexer interface for tokenizing strings
V0.2: [added] SentenceLexer to tokenize sentence into List
V0.2: [added] NLPSentenceLexer using Standford NLP to tokenize into List