first commit
updated path
adding some helpful comments
major revamp of rdr reader tools. Now focusing on CSV (.TAB) RDR files, both from opsRDR or from PDS. The difference is 2 header keywords and 3 more header lines in the PDS files. Added a test for the header files.
refactored CKFileName class (only takes filename now), no class-method required
wip
some progress
fixed missing refactoring, and some cleanup, PEP8ified.
added zipfile functionality to file_utils and tried it out in notebook