handle all numeric type cases for matlab -> numpy arrays

Author: AlDanial

code/matlab_py/mat2py.m

@@ -65,7 +65,9 @@
                                int64(x_mat.Day) , int64(x_mat.Hour) , ...
                                int64(x_mat.Minute), int64(x_mat.Second), ...
                                micro_sec, tzinfo);
-        case {'double', 'single'}
+        case {'double', 'single', ...
+              'uint8', 'uint16', 'uint32', 'uint64', ...
+              'int8',  'int16',  'int32',  'int64'}
             if issparse(x_mat)
                 if ndims(x_mat) ~= 2
                     fprintf('mat2py:  can only convert 2D sparse matrices\n')