fixing a register name typo and adding some more info from the data sheet
minor updates for adding more microcontrollers
WIP adding content to P16F631 and P16F677
managing various PWM/SPI/I2C/USART/IOC pins for the P16f631/677/685/687/689/690
MCUs
bank information updated for P16F631/677/685/687/689/690
ANSEL(H) compatibility checked for GPIO.