Renamed some files in the R directory
Betaplot updated to use igraph, no coloring of links the moment
Mass edits of measures
betalink
Documentation update
Added a dataset (Ollerton clownfish data)
New function to prepare networks, and dataset for tests
Prepared data now have the econetwork class
Datafile renamed, and NEWS file added
function betapart to measure the cardinality of sub-components a, b, and
c
New metaweb function with igraph addition
betalink function updated
Now uses igraph instead of the matrices
beta_os_prime simplified
beta-diversity of a whole dataset
also, most functions now use names
Documentation
I added the documentation for most of the updated functions