GEO:
- updated find_nearest() calls within move_shapelyPoly_to_image_grid() and get_true_corner_lonlat()
- improved docstring for corner_coord_to_minmax()
- updated warp_ndarray(): added keyword argument 'outExtent_within'
- added transform_utm_to_wgs84()
- updated geotransform2mapinfo()

UTL:
- find_nearest(): major revision - it now supports an automatic round algorithm

COREG:
- __init__(): added some attributes in order to make it more compatible with GMS version
- added get_updated_map_info()
- added set_coreg_info()