Refactored PIO_PIN-names in pio.h
Added a pin to definitions in pio.h
Added 12 functions for enabling interrupts for the PIO in pio.c.
Finished writting function for the PIO-interrupts in pio.c.
Defined interrupt detection methods in pio.h.
Commented in pio and removed warnings in interrupt functions
Commented on interrupt functions in pio.
Added info API to repository. called info.h
Small changes and todo's!

Went through all code affiliated with TC to see whats left to do before tomorrows demo.
There is still parameters to be tested and a couple of other things to fix,
all marked with the TODO parameter in Eclipse. Also removed part of tests
that were unnecessary.
Found bug, added as TODO
Merge branch 'mcu_timers' of https://github.com/theolind/mahm3lib into mcu_timers
Added a commentt in test_tc_read_counter_value() for Mathias N
Merge branch 'integration' of https://github.com/theolind/mahm3lib.git into integration
Renamed structs with suffix _t
Miniature changes in pwm.c ang .h due to struct renaming earlier
Added NVIC (Nested Vectored Interrupt Controller) to repository.
removed warning in nvic.c
Final thouches to info.h
Fixed an include in pio.c
Small fixes!

Only three TODO's remaning. Namechanges of functions in both tc.h and .c
and corresponding testfiles.
Merge branch 'mcu_timers' of https://github.com/theolind/mahm3lib into mcu_timers