Major Changes
* mudpy histograms are fetched as arrays of ints instead of floats
* New mdata object which serves as a base class for bdata, provides access to general MUD files
* All containers renamed: bcontainer, bhist, blist, bdict, bvar, bscaler to have m prefix, moved to mdata
Minor Updates
* Added to dkeys
* Added 1e mode stuff
* Fixed message in download success
* Updated classifiers, license
* Updated README