* Client command synccopy works with one level ConfigVarStack in complete cancelation with ConfigVarList.
Merge branch 'shai' into var-stack

merge with branch shai
Merge branch 'shai' into var-stack

Merged bug fix from branch shai
 * ConfigVarStack.__reversed__ returns reversed(self.keys()) instead of reversed(self._ConfigVarList_objs).
 *  ConfigVarStack.push_scope & ConfigVarStack.pop_scope.
 * Started implementing InstallItem.get_ConfiVarList - not finished.
experimenting with array subscrip patterns
* Some members of InstallItem become var_list variables
Merge branch 'shai' into var-stack
that's right
removed previous definition of var_list
implemented temporary ConfigVarList.resolveW
merged branch shai, new resolve alg and methods
reverted installItem using config variable, their time had not yet come
push_scope in ConfigVarStack.__init__
 style array references
    * Intrduced $(A[0]) array style references.
merged from shai
started elimination of direct usage of InstallItem functions returning lists
version changed to future 0.9.13
merge from branch shai
replaced InstallItem list functions with vars
removed some redundant lines