Transfer of old work
Transfer of old work (1.0.0)
Merge branch 'release-1.0.0'
Transfer of old work (1.1.0)

From changes history:

1.1.0. Nov 18, 2011.
    Data set in memory does not need to be empty or saved.
    Fixed bug with options lower, upper, nosymbol, and trim.
Merge branch 'release-1.1.0'
Transfer of old work (1.2.0)

From changes history:

1.2.0. Dec 7, 2011.
    Errors if there are no observations.

From e-mail:

If either of the datasets don't have any observations, or if there are
no shared observations, -bcstats- errors with a non-informative message.
Now -bcstats- errors with informative messages.
Merge branch 'release-1.2.0'
Transfer of old work (1.2.1)

From changes history:

1.2.1. Dec 20, 2011.
    Help file modified.
Merge branch 'release-1.2.1'