pyspice.c
pyspice.h

- Include malloc.h
- Added get_py_boolean
- Added gat/i/d/b to get time, int, double, bool from class instance
    attribute, specifically for spice.objects.Cell class instance
- Parse spice.objects.Cell PyObject* to struct SpiceCell*
- Added static data types to spice.objects.DataType class
- Added type, size and length arguments to spice.objects.Cell.__init__
  - Create spice.objects.Cell instance using these