More jbstyle hack: No constants.
More jbstyle hack: No constants.

* dpy/compiler/incgen.py(IncInterfaceGenerator.visit_HistoryExpr):
  Don't project to True if jbstyle, project to a hack instead.

sghosh1991/distalgo,sghosh1991/distalgo,mayli/DistAlgo,mayli/DistAlgo