Minor MSVC fix; set version string to 0.19

src/common/Config.cpp

@@ -26,6 +26,7 @@ Jupiter::Config::Config(const Config& in_config)
 
 Jupiter::Config& Jupiter::Config::operator=(const Config& in_config) {
 	m_sections = std::make_unique<SectionHashTable>(*in_config.m_sections);
+	return *this;
 }
 
 const Jupiter::ReadableString &Jupiter::Config::get(const Jupiter::ReadableString &in_key, const Jupiter::ReadableString &in_default_value) const

src/include/Jupiter/Jupiter.h

@@ -40,7 +40,7 @@
 #define JUPITER_PLATFORM
 #endif
 
-#define JUPITER_VERSION "Jupiter 0.19-dev (" JUPITER_PLATFORM __DATE__ ")" /** Version of this program at compile time. */
+#define JUPITER_VERSION "Jupiter 0.19 (" JUPITER_PLATFORM __DATE__ ")" /** Version of this program at compile time. */
 
 #if defined __cplusplus
 extern "C"