Fixes toString forward reference issue:

- as raised in https://github.com/philsquared/Catch/pull/195

include/internal/catch_approx.hpp

@@ -8,7 +8,7 @@
 #ifndef TWOBLUECUBES_CATCH_APPROX_HPP_INCLUDED
 #define TWOBLUECUBES_CATCH_APPROX_HPP_INCLUDED
 
-#include "catch_capture.hpp"
+#include "catch_tostring.hpp"
 
 #include <cmath>
 #include <limits>

include/internal/catch_capture.hpp

@@ -15,6 +15,7 @@
 #include "catch_debugger.hpp"
 #include "catch_context.h"
 #include "catch_common.h"
+#include "catch_tostring.hpp"
 #include "catch_interfaces_registry_hub.h"
 #include "internal/catch_compiler_capabilities.h"
 

include/internal/catch_exception_translator_registry.hpp

@@ -9,6 +9,7 @@
 #define TWOBLUECUBES_CATCH_EXCEPTION_TRANSLATOR_REGISTRY_HPP_INCLUDED
 
 #include "catch_interfaces_exception.h"
+#include "catch_tostring.hpp"
 
 #ifdef __OBJC__
 #import "Foundation/Foundation.h"

include/internal/catch_expression_lhs.hpp

@@ -10,6 +10,7 @@
 
 #include "catch_expressionresult_builder.h"
 #include "catch_evaluate.hpp"
+#include "catch_tostring.hpp"
 
 namespace Catch {
 

include/internal/catch_tostring.hpp

@@ -80,6 +80,9 @@ namespace Detail {
 
 } // end namespace Detail
 
+template<typename T>
+std::string toString( T const& value );
+
 template<typename T>
 struct StringMaker :
     Detail::StringMakerBase<Detail::IsStreamInsertable<T>::value> {};

include/internal/catch_version.hpp

@@ -13,7 +13,7 @@
 namespace Catch {
 
     // These numbers are maintained by a script
-    Version libraryVersion( 1, 0, 9, "master" );
+    Version libraryVersion( 1, 0, 10, "master" );
 }
 
 #endif // TWOBLUECUBES_CATCH_VERSION_HPP_INCLUDED