Tools for manipulating spectra: observed and (synthetic) stellar population synthesis models

specTools.py - this is the bread and butter of the repo, defining the spectrum class
indexTools.py - this defines the index and indLib classes for absorption line index work
BC03tools.py - Load the Bruzual & Charlot 2003 SSPs
M05tools.py - load the Maraston 2005 SSPs
M11tools.py - load the Marastong 2011 SSPs
CD12tools.py - load the Conroy & van Dokkum 2012 SSPs
Ttools.py - load the Thomas 2003/5 or 2010 indices