添加Sqlite数据库支持
修复Sqlite MISUSE的错误
fix sgviewer.cpp
add INVALID_PAYOFF which will let the state payoff unchanged
mod stepLoop() -> loop(), mod show*() -> dump*()
mod dump() -> view(), finish interface of ouputing memory to specified files
Merge branch 'sqlite' into dev
modify connect() to open(Flag), distingush opening for Read and Write, add transaction for sqlite
fix state info size varing with platforms using #param pack(2)
add Id column to MemoryInfo in case of no correct timestamp avaliable
delete test printf
merge dev to master