Snapshot
Merge branch 'master' of https://github.com/yl-1993/WHYSQL

Conflicts:
	bin/org/hsqldb/ParserCommand.class
	bin/org/hsqldb/RowAction.class
	bin/org/hsqldb/Session.class
	bin/org/hsqldb/TransactionManagerCommon.class
	bin/org/hsqldb/TransactionManagerMVCC.class
	src/org/hsqldb/ParserCommand.java
	src/org/hsqldb/RowAction.java
	src/org/hsqldb/SessionInterface.java