Fixes const int error seen on some compilers (see #136)

Added a new test to try to highlight issue.

include/internal/catch_expression_lhs.hpp

@@ -22,7 +22,7 @@ class ExpressionLhs {
 	void operator = ( const ExpressionLhs& );
 
 public:
-    ExpressionLhs( const T& lhs ) : m_lhs( lhs ) {}
+    ExpressionLhs( T lhs ) : m_lhs( lhs ) {}
 
     template<typename RhsT>
     ExpressionResultBuilder& operator == ( const RhsT& rhs ) {

include/internal/catch_version.hpp

@@ -13,7 +13,7 @@
 namespace Catch {
 
     // These numbers are maintained by a script
-    Version libraryVersion = { 0, 9, 2, "integration" };
+    Version libraryVersion = { 0, 9, 3, "integration" };
 }
 
 #endif // TWOBLUECUBES_CATCH_VERSION_HPP_INCLUDED