Fix peekJob function for sqlite3
Add priority sample
Version 0.0.9
Use HDBC template
Modify the signature of writeQueue function of BackendQueue class
Remove initZQueueWithPrefix function from ZookeeperQueue module
Check node prefix of items in a zookeeper queue
Fix some queries by inserting table names with string concatenation
Version 0.0.10
Fix itemsDBQueue and listDBQueue in Sqlite3 backend