Fixed resolution bit selection (10bits and 12bits inverted).
Added functions to convert uint16_t and int16_t to string.
Fix of u16td and i16td function when value passed as argument is 0.
Added char count into u16td and i16td functions. Added float to string function.
Added function to convert float to int and uint.
Added functions to enable second interrupt on RTC
Merge branch 'origin/develop'