Latest libcin

This contains the latest working version of libcin. Under tests/ you will find:
-cin_test.c  =Allows to test each library function independently.
-cin_power_up.c  = Power up CIN. Requires a "cin_config" folder with the configuration files in the same directory were libcin exists.   
-cin_power_down.c  = Power down CIN. Requires a "cin_config" folder with the configuration files in the same directory were libcin exists.