Homogenize argument names

[lbusett]

check coherence of arguments across functions (e.g., in_rast, in_obj, etcetera)

[lbusett]

Carefully check for consistency in argument names and modify where necessary.

DONE:

• [x] - write_shape
• [x] - get_rastype
• [x] - get_vectype
• [ ] -

TODO:

[ ] -

[lbusett]

Close for now - reopen if other inconsistencies are found