Compile errors - no return statement in function returning non-void

[caternuson]

Compiling with latest everything generates lots of warns and these errors:

TouchControllerWS.cpp:50:1: error: no return statement in function returning non-void [-Werror=return-type]
   50 | }
      | ^
/home/user/Arduino/esp8266-weather-station-color/TouchControllerWS.cpp: In member function 'bool TouchControllerWS::isTouched()':
TouchControllerWS.cpp:89:1: error: no return statement in function returning non-void [-Werror=return-type]
   89 | }
      | ^
/home/user/Arduino/esp8266-weather-station-color/TouchControllerWS.cpp: In member function 'bool TouchControllerWS::loadCalibration()':
TouchControllerWS.cpp:13:47: error: control reaches end of non-void function [-Werror=return-type]
   13 |   File f = SPIFFS.open("/calibration.txt", "r");
      | 

[ladyada]

fixed in #6