Allows to call any remote API fun in a thread safe manner.
Re-writes the V-REP IO to use the thread-sage remote api call.
dirty fix vrep time
Correct a bug that prevents the v-rep time to be used.
Merge branch 'thread_safe_vrep' of https://github.com/poppy-project/pypot into thread_safe_vrep

Conflicts:
	pypot/vrep/__init__.py
restart tracked objects when reseting the simu
Fix a bug in the v-rep checking error.
Also stop the motor controller when resetting the v-rep simulation.
fix missing error code in vrepio call
add vrepio error exception class without error code
forgot to call the good error handler
testing a dirty fix for buggy call_remote_api
Make sure to only start the simulation when the get_simu_time is ready.
Try catch the vrep current time error directly in the method instead of inside the reset.
Make sure that v-rep time is actually started before returning from the reset.
Prevent a block in the time sleep when resetting the simu
Comment the hard-reset patch.
Merge pull request #38 from poppy-project/thread_safe_vrep

Robust and thread safe v-rep remote API