[gt-users] python tests and splitfasta

[Brent Pedersen]

hi, i'm attaching a patch to update the python tests for recent change
to use create_new() rather than __init__()
i also added a property for attribs as i think that's convenient.


i would like to add an option to the splitfasta command-line tool so
that the targetsize can be specified in basepairs rather
than MB, and another option to allow overlapping of sequences-- so it
can take a huge chromosome and e.g. split it into
1megabase chunks with 10Kbp overlapping at the ends.

i think the syntax would look like:

gt splitfasta -splitbp -targetsize 1000000  -overlap 10000

so splitbp is bool flag to tell it not to bp rather than mb.
does this seem reasonable and/or would a patch be accepted for adding that?

thanks,
-brent
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