Make the step range plans capable of supporting multiple ranges.  Also make their constructors public, there isn't any good reason why you shouldn't be able to make these plans.

git-svn-id: https://llvm.org/svn/llvm-project/llvdb/trunk@142026 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/source/Target/ThreadPlanStepInRange.cpp b/source/Target/ThreadPlanStepInRange.cpp
index 28cd8b8..9d3bd24 100644
--- a/source/Target/ThreadPlanStepInRange.cpp
+++ b/source/Target/ThreadPlanStepInRange.cpp
@@ -63,7 +63,7 @@
     else
     {
         s->Printf ("Stepping through range (stepping into functions): ");
-        m_address_range.Dump (s, &m_thread.GetProcess().GetTarget(), Address::DumpStyleLoadAddress);
+        DumpRanges(s);
     }
 }