Non-square matrices

[ahunter1289]

The following will break down, because if the CSV first element only has 1 column, this will return return_cols=0 and thus return 0 data

Need to fix this in the below: data[0]

if len(kwargs)==0:
    return_cols=len(data[0])-1

elif ('return_cols' in kwargs.keys() and
    type(kwargs['return_cols'])==int and
    kwargs['return_cols']<=len(data[0])-1 and
    kwargs['return_cols']>0):

[ahunter1289]

if len(kwargs)==0:
    return_cols=len(data[4])-1
elif ('return_cols' in kwargs.keys() and
    type(kwargs['return_cols'])==int and
    kwargs['return_cols']<=len(data[4])-1 and
    kwargs['return_cols']>0):