Adam Hughes

This is related to #161 ``` ts.iloc[5,:].specunit Traceback (most recent call last): File "/home/glue/Desktop/PYUVVIS/pyuvvis/pyuvvis/core/spectra.py", line 1, in """Provides core "Spectra" class and associated utilities.""" File "/home/glue/Desktop/PYUVVIS/pyuvvis/pyuvvis/pandas_utils/metadframe.py", line 104, in __getattr__...

By the way, I noticed that the actual dataframe is being returned fine. It's just a printout problem. Therefore, may hack ix, iloc and loc for if [:, :] case,...

Restructured, and think it should work now, but haven't tested it. It's still a class method, but now on the TimeIndex so easier.

on repo

Low priority because range timeplot not super useful...

Noticed these functions would be really helpful for autobaseline fitting with chaco.