weblogo3 tool reports wrong number of sequences to stdout

[bcclaywell]

One of our users reported the following today:

Clicking on the output from that tool (on the right edge of the screen) reveals information about the search.

Eg: # weblogo input /mnt/silver/galaxy/containers/galaxy-qa/stable/database/files/013/dataset_13858.dat has 2845133 sequences all of length 10

I noted, in my Excel manipulations that the reported number of sequences (as above) is always 1 smaller than the sum of the 4 nucleotides reported (for each sequence position) by the Sequence
Logo Tool.

It looks like an off-by-one error in this line of rgWebLogo3.py. lasti should be lasti + 1 since the index is zero-based.

[bgruening]

Thanks @bcclaywell!