c16 data type

[segallis]

For c16 data types I needed to change one line from:
dataType = dtypesMatlab{strcmp(dtNPY(2:3), dtypesNPY)};
to:
dataType = dtypesMatlab{strcmp(dtNPY(2:end), dtypesNPY)};

since that npy type is three characters, not two like the rest