a new configuration is loaded no reset is operated. If True configuration is
reset before loading the new one.

all data.

- in function "aplot" map_data can be passed as it is
- some estetic changes in plotmap.py

netCDF

dataframe/csv file) and modified the column for color from "value" to "color".

dataframe

through function code
- fixed bugs:
    #26
    #27
    #29

"--file-format=<XYZ>" to specify output images extensions (issue #21) and
added option "--continents=<COLOR>" to fill continents with specified color.

...