Merge pull request #3 from ewiger/master

A working layout of Jterator pipelines
modified:   setup.py
- Fixed a bug with import sys.path including 'jterator'

modified:   src/matlab/+jterator/+api/+io/get_handles.m
modified:   src/matlab/+jterator/+api/+io/read_input_args.m
modified:   src/matlab/+jterator/+api/+io/write_output_args.m
- Added import of namespaces to use jterator API functions.