Ignore test-MON directory.
Simplify baro file list, as done with diver file.
Helper function for building data filenames for both baro and divers.
Calculate depth to GW and absolute water levels of some loggers for testing / playing around.
Added more loggers and some example plots.
Merge branch 'testing-waterlevels' of https://github.com/effjot/diveRlib into testing-waterlevels

Conflicts:
	preprocess-bruchwald.R