51_I2C_BMP180.pm: prevent division by zero when calibration data is invalid by Jens Beyer (jensb)
51_I2C_BMP180.pm: prevent division by zero when calibration data is invalid by Jens Beyer (jensb) 52_I2C_PCA9685.pm: set outputs to old state after frequency change, set more than one port at the same time, bugfixingView Changes
Source: 51_I2C_BMP180.pm: prevent division by zero when calibration data is invalid by Jens Beyer (jensb) (http://sourceforge.net/p/fhem/code/10452/)