Small fixes

src/core/clipboard/Clipboard.cpp

@@ -40,7 +40,7 @@ bool Clipboard::has_persistent(std::string name) {
 void Clipboard::clear() {
     for(auto& id : m_dataID) {
         Objects* collection = m_data[id];
-        for(Objects::iterator it = collection->begin(); it != collection->end(); it++)
+        for(Objects::iterator it = collection->begin(); it != collection->end(); ++it)
             delete(*it);
         delete m_data[id];
         m_data.erase(id);

src/core/detector/Detector.hpp

@@ -49,8 +49,8 @@ namespace corryvreckan {
         ~Detector() {}
 
         // Functions to retrieve basic information
-        std::string type() { return m_detectorType; }
-        std::string name() { return m_detectorName; }
+        const std::string type() const { return m_detectorType; }
+        const std::string name() const { return m_detectorName; }
 
         // Detector role and helper functions
         DetectorRole role() { return m_role; }