tracker issue : CF-4202341

Issue: var is sometimes ignored (Lucee correct)

Repro:

<cfscript>
  application.delete("foo");
  session.delete("foo");
  function f() {
    //Begin CF workaround
    /*var application={};
    var session={};
    var request={};
    var form={};
    var url={};
    var variables={};*/
    //End CF workaround
    var application.foo = "bar";
    var session.foo = "bar";
    var request.foo = "bar";
    var form.foo = "bar";
    var url.foo = "bar";
    var variables.foo = "bar";
    return local;
  }
  writeDump(var=f(), label="f()");
  writeDump(var=application, label="application");
  writeDump(var=session, label="session");
  writeDump(var=request, label="request");
  writeDump(var=form, label="form");
  writeDump(var=url, label="url");
  writeDump(var=variables, label="variables");
</cfscript>

Actual Result: In CF, local scope contains none of the `var`d variables (bad). In Lucee, `var` always means local scope, so the local scope contains all of the `var`d variables (good).

Expected Result: In CF and Lucee, local scope contains all of the `var`d variables.

Workaround: Uncomment the "Begin/End CF workaround" section.

Suggestion: Since `var` must always mean local-scope, any existing code using `var` to create a non-local-scope variable is broken. Therefore, backward-compat must not be maintained. Lucee has the correct behavior here.

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