v2.0

Fix a difference between the typed and untyped mbta code. Both are the same now.

The fix does not appear to affect performance.

Attached data:

• mbta2-vs-orig.tar.gz : output from a gtp-measure run comparing 0-mbta (after the change) to 1-mbtaorig (before). Also a tab-separated-file with 95% confidence intervals for each configuration

mbta2-vs-orig.tar.gz

• picture of overhead before (0-mbta) and after (1-mbtaorig)

Thank you Robby Findler and Sam Sundar