[Refactor] Add declaration in HLVNet.h
[Refactor] Move Create{A,Z,BY,SI}nodes to TLexNet.
Move some function to new class Vocab.
[Refactor] on class LexNet and some functions.
[Refactor] use operator new(heap) instead of New.
[Refactor] Move FindAddTLCN, FindAddTLexNode.
[Refactor] Move more functions to class TLexNet.
[Refactor] Move loop variables into loops.
Move LexNet* net to class Decoder.
Merge branch 'release/v1.10'