update and fixes

Update to more recent versions of python and packages (e.g. shapely).
Removed the dependence from basemap.

To install follow the instructions in the wiki.

fixes + tuning for triangular meshes

v1.1.2

working example of UOST on schism/WWM

hotfix

minor fixes and optimizations:

• solved small bug in the setup.py file.
• optimization of the algorithm to create the neighbourhood cache

port to python3

port to python3