src/main/java/org/wltea/analyzer/dic/DictSegment.java
Hit match(char[] charArray , int begin , int length){
		return this.match(charArray , begin , length , null);
	}
Hit match(char[] charArray , int begin , int length){
		return this.match(charArray , begin , length , null);
	}
匹配词段
@param charArray
@param begin
@param length
@return Hit