fix(weakRates): major progress in resolving bugs

bigs were introduced by the interface change from accepting raw molar abundance vectors to using the composition vector. This commit resolves many of these, including preformant ways to report that a species is not present in the composition and unified index lookups using composition object tooling.

BREAKING CHANGE:

tests/graphnet_sandbox/main.cpp

@@ -81,7 +81,7 @@ int main(int argc, char* argv[]){
 
     g_previousHandler = std::set_terminate(quill_terminate_handler);
     quill::Logger* logger = fourdst::logging::LogManager::getInstance().getLogger("log");
-    logger->set_log_level(quill::LogLevel::TraceL3);
+    logger->set_log_level(quill::LogLevel::TraceL2);
     LOG_INFO(logger, "Starting Adaptive Engine View Example...");
 
     using namespace gridfire;