Update some API calls for findspan, basisfuns and bspeval
Updated _bspeval to NumPy 1.7 API, removed calls to vec2mat()
More updates to NumPy API calls: functions related to derivatives

matrix() and freematrix() fixed
Some whitespace change
Some arrays changed from column-major to row-major
Removed one argument to _Bas_dersbasisfuns()
Updated NumPy calls for bspkntins

Removed calls to vec2mat()
Some whitespace changes
Appears to have passed a basic unit test
Updated NumPy calls for degelev

Appears to have passed a basic unit test
Updated NumPy calls for bspbezdecom

Not tested, but it compiles(!)
_Bas.c is now compatible with NumPy 1.7 API

Uses #define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION
Removed vec2mat()
Merge pull request #2 from KneeShard/update_bas_c

Updates to NumPy API calls in _Bas.c