Software function usage check

Checks Software Functions (OR, Split, &) if they have appropriate number of input/output signals connected. Possible error descriptions:

• Too many Inputs for Split function – Split function has more than one Input.
  Fix: Check if software function type (Split) is selected correctly. If not – change software function type, if so – reconnect it properly.
• Too many Outputs for OR function – OR function has more than one Output.
  Fix: Check if software function type (OR) is selected correctly. If not – change software function type, if so – reconnect it properly.
• Too many Outputs for & function – AND function has more than one Output.
  Fix: Check if software function type (AND) is selected correctly. If not – change software function type, if so – reconnect it properly