set arguments for AG.frequencies()
set arguments for AG.histogram
removed references to State variable
Merge branch 'AG-NoState' into AG
slight style change, put AG={} at the top
Merge branch 'spectrum' into AG
require Spectrum to be used in AG.histogram()
gave histogram() parameters using Spectrum class
passing N to trig funcs, since N isn't global
wrote some basic accessors
added a comment for helper functions
wrote findBin and implemented getInten with it
made findBin also return the bin number
wrote a function to add intensity to a bin
wrote a private method for interating through bins
made bins return freq and inten separately
wrote add()
wrote a copy function
comment about metatables
Merge branch 'spectrum' into AG