tlc59116 methods should be marked extern
Set current bitrate for i2c_init to skip calculations when requested bitrate is already set
Modulo 0xFF on a byte is stupid
Allow to write to specific register for tlc59116
Set current bitrate to skip calculations when same bitrate is requested again
Modulo 0xFF on a byte is stupid
tlc59116 methods should be marked extern
Allow to write to specific register over i2c
Support i2c write register
Use new write_register to set brightness
Update changelog
Merge branch 'feature/improve-tlc59116' into develop

Conflicts:
	src/ext/tlc59116.c
Bump version
Merge branch 'release/0.12.6' into develop