Read crop parameters file .CRO from CropWat 8.0

• Create a function load_CRO for a file
• extend the function for a list of file or a directory
• save the configurations provided in CropWat 8.0 in the package

For the following .CRO file:

CROPWAT 8.0 Crop data
SORGHUM (Grain)     
20 35 40 30 
  0.30  1.00  0.55
  0.30  1.40
  0.60  0.50  0.80
  0.20  0.40  0.55  0.20  0.90
  1.50

We have this configuration in CropWat: