simplify treatment of dodgy geometries in GEOS 3
print proj4string attribute.
update to pupynere 1.0.2
updated pupynere
split contents of pupynere.py into two files (netcdf.py and pupynere.py)
update pupynere to 1.0.1
added proj4string instance variable.
bump version number.
add __geos_major_version__ variable for checking geos version.