v1.0.41

fixes:

• improvements to creating VortexForcing from file (#118)
• add equality operator to compare meshes and forcings (#129)
• log warning instead of raising exception when file exists and overwrite is False (fe17b11)
• reduce amount of times VortexForcing connects to the internet (#131)
• only add new attribute if it doesn't already exist, also improve attribute equality check (#133)
• revamp grid handling and writing 2dm file + mesh hull calculation (#121)