Starting api v2 changes -> XMLRPC functions and params OK
No more requestIDgit status
Handler refactor to APIHandler and SyncHandler.
getMetadata SQLAPIHandler implemented.
getFolderContents implemented.
getVersions implemented.
deleteItem implemented.
newFolder implemented.
createFile implemented
Commenting test. They need a review
Fix problem when the petition come without chunks
Fix problems of newFolder function
Hard coding mapWorkspace and getByItemId
Solved problems from query getItemById. 
Version with problems in delete_item, get_versions without specific
version, and unimplemented upload methods.
Problems with getVersions SOLVED
implemented XML RPC functions 'update metadata' and 'update data'
fixed 'update_data' function, and client notifications.
updated objectmq dependency. db init script creates API device
Merge branch 'api_v2' of git@github.com:stacksync/sync-service into api_v2
fixed get_metadata for root folder.
fixed DB setup script