Add RetargetPin() and allow AddressDollop() to disallow coalescing.

include/zipr_plugin.h

@@ -31,7 +31,7 @@ class ZiprPluginInterface_t
 		{
 		}
 
-		virtual ZiprPreference AddressDollop(const Dollop_t *dollop, const RangeAddress_t &source, Range_t &place)
+		virtual ZiprPreference AddressDollop(const Dollop_t *dollop, const RangeAddress_t &source, Range_t &place, bool &coalesce)
 		{
 			return None;
 		}
@@ -58,6 +58,11 @@ class ZiprPluginInterface_t
 		{
 			return new ZiprOptionsNamespace_t("");
 		}
+
+		virtual ZiprPreference RetargetPin(const RangeAddress_t &, const Zipr_SDK::Dollop_t *, RangeAddress_t &)
+		{
+			return None;
+		}
 };
 
 }