Fixed bug in dataflow formulas
Fixed bug in dataflow formulas

Ignore-this: c94655b6503f72b5bb8e0553e3c778a

Added evaluate-formula at the end of initialize-instance :after formula to avoid some inconsistencies

darcs-hash:20091025175918-5b2f2-ac3ad34ce36968bd57d082398b151cc3edc8818f.gz

mmontone/gestalt