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- Added unit tests - blank for now.
- Added stubbed ColProject, just so that ColID is not the only column.
- Renamed files for clarity and namespace reasons.

src/columns/Column.cpp

@@ -28,14 +28,16 @@
 #include <iostream>
 #include <Context.h>
 #include <Column.h>
-#include <ID.h>
+#include <ColID.h>
+#include <ColProject.h>
 
 extern Context context;
 
 ////////////////////////////////////////////////////////////////////////////////
 Column* Column::factory (const std::string& name)
 {
-  if (name == "id")  return new ColumnID ();
+  if (name == "id")       return new ColumnID ();
+  if (name == "project")  return new ColumnProject ();
 
   throw std::string ("Unrecognized column type '") + name + "'";
   return NULL;