Bug fix for issue #197 - sqlite3_wal_checkpoint_v2 blocking
Bug fix for issue #197 - sqlite3_wal_checkpoint_v2 blocking

RyanTech/YapDatabase,diehardest/YapDatabase,ramoslin02/YapDatabase,devandroid/YapDatabase,RyanTech/YapDatabase,skeeet/YapDatabase,jordanhamill/YapDatabase,yakatak/YapDatabase,yakatak/YapDatabase,ramoslin02/YapDatabase,yakatak/YapDatabase,devandroid/YapDatabase,natan/YapDatabase,qfish/YapDatabase,cnbin/YapDatabase,danthorpe/YapDatabase,tommylitang/YapDatabase,cnbin/YapDatabase,jordanhamill/YapDatabase,danthorpe/YapDatabase,dezinezync/YapDatabase,skeeet/YapDatabase,qfish/YapDatabase,qfish/YapDatabase,diehardest/YapDatabase,ramoslin02/YapDatabase,tommylitang/YapDatabase,devandroid/YapDatabase,danthorpe/YapDatabase,dezinezync/YapDatabase,diehardest/YapDatabase,jordanhamill/YapDatabase,jordanhamill/YapDatabase,jordanhamill/YapDatabase,natan/YapDatabase,danthorpe/YapDatabase,ramoslin02/YapDatabase,natan/YapDatabase,devandroid/YapDatabase,skeeet/YapDatabase,natan/YapDatabase,yakatak/YapDatabase,nivanchikov/YapDatabase,yakatak/YapDatabase,RyanTech/YapDatabase,skeeet/YapDatabase,qfish/YapDatabase,tommylitang/YapDatabase,cnbin/YapDatabase,qfish/YapDatabase,cnbin/YapDatabase,tommylitang/YapDatabase,nivanchikov/YapDatabase,diehardest/YapDatabase,dezinezync/YapDatabase,dezinezync/YapDatabase,devandroid/YapDatabase,ramoslin02/YapDatabase,natan/YapDatabase,danthorpe/YapDatabase,dezinezync/YapDatabase,cnbin/YapDatabase,RyanTech/YapDatabase,nivanchikov/YapDatabase,nivanchikov/YapDatabase,nivanchikov/YapDatabase