Created a new testcase to expose a bug of wrong rev numbers
change any code produce futures on handleUpdate
Merge https://github.com/SalmaKhater/syncro
add comments on handleUpdate
Merge https://github.com/SalmaKhater/syncro
Intermediate work of fixing concurrency problem of update
Updated ModelSecurity to fix the concurrency issue
SWP-734: fixed Different updates shouldn't have duplicate rev number test case
Fixed handleGet on ModelSecurity
Merge pull request #66 from SalmaKhater/master

SWP-734: Fixed Different updates shouldn't have duplicate rev number test case