Format floats like doubles when printing - but add ‘f’ suffix (a lá #291)
diff --git a/include/internal/catch_tostring.h b/include/internal/catch_tostring.h
index 7268d15..4b46883 100644
--- a/include/internal/catch_tostring.h
+++ b/include/internal/catch_tostring.h
@@ -158,6 +158,7 @@
std::string toString( unsigned long value );
std::string toString( unsigned int value );
std::string toString( const double value );
+std::string toString( const float value );
std::string toString( bool value );
std::string toString( char value );
std::string toString( signed char value );