* Return True on success
* Decorator forward the return

* Exception Tango.DevFailed catched
* Give error message
* Exception logged to debug stream

* Test on full restart and sync

* Configparser no more used in FofbTool.Configuration

* Move access to ConfigParser object oustide of function in Operation
* Move setting of sequence offset to FofbTool.Configuration
* Update Fofb.Utils

* For lab test, where number of interface is one

* Also specify in doctring of load config that configuration are superseded

* Add a default config file
* It is possible to point to a new config in the CLI

* Add basic operations
* Not full tested

* Have configuration of blocks working
* Have basic deals with deviceserver working