赫夫曼编码与译码器（完整功能）满足严蔚敏《数据结构》习题册中的全部功能-Huffman encoding and decoding devices (full function) to meet the strict Wei Min " data structure" in the exercise of all of the features list

完成了对英文文档的赫夫曼编码和解码工作，速度还行。CreateProbability用户创建字符的出现概率，HuffmanEnDeCoding用户根据字符概率进行文档的编码和解码工作-Completion of the English document Huffman coding and decoding, speed is also OK. User-created character CreateProbability probability, HuffmanEnDeCoding prob