Exception message testing now supports wildcards

- extracted WildcardPattern from TestSpec::NamePattern

include/internal/catch_impl.hpp

@@ -77,6 +77,7 @@ namespace Catch {
     FreeFunctionTestCase::~FreeFunctionTestCase() {}
     IGeneratorInfo::~IGeneratorInfo() {}
     IGeneratorsForTest::~IGeneratorsForTest() {}
+    WildcardPattern::~WildcardPattern() {}
     TestSpec::Pattern::~Pattern() {}
     TestSpec::NamePattern::~NamePattern() {}
     TestSpec::TagPattern::~TagPattern() {}