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.

llvm-svn: 142026
diff --git a/lldb/source/Target/ThreadPlanStepOverRange.cpp b/lldb/source/Target/ThreadPlanStepOverRange.cpp
index adade55..57ea97b 100644
--- a/lldb/source/Target/ThreadPlanStepOverRange.cpp
+++ b/lldb/source/Target/ThreadPlanStepOverRange.cpp
@@ -58,7 +58,7 @@
     else
     {
         s->Printf ("stepping through range (stepping over functions): ");
-        m_address_range.Dump (s, &m_thread.GetProcess().GetTarget(), Address::DumpStyleLoadAddress);
+        DumpRanges(s);    
     }
 }