add context setter

src/include/item.h

@@ -22,6 +22,7 @@ class Item : public Feature {
 		bool operator<(const Item&) const;
 
 		Context getContext();
+		void setContext(Context);
 		std::string getDisplayName();
 		std::string getName();
 		int getType();

src/item.cpp

@@ -44,6 +44,10 @@ Item::Context Item::getContext() {
 	return this->context;
 }
 
+void Item::setContext(Item::Context newContext) {
+	this->context = newContext;
+}
+
 std::string Item::getDisplayName() {
 	if (Item::identified[this->className].find(this->type) == Item::identified[this->className].end()) {
 		return this->pseudoName;