subargv[0] is now the expected value of "cellar <command>"

src/bottles/activate.cpp

@@ -8,5 +8,5 @@
 using namespace std;
 
 void cellar::bottles::switch_active_bottle(int argc, vector<string> argv) {
-    cout << argc << endl;
+    cout << argv[0] << endl;
 }

src/cellar.cpp

@@ -47,7 +47,14 @@ int main(int argc, char* argv[]) {
 
         string usercmd = command.getValue();
         if (commands::command_map.count(usercmd) > 0) {
-            vector<string> subargv = subargs.getValue();
+            vector<string> subargv;
+            stringstream sstr;
+            sstr << "cellar ";
+            sstr << usercmd;
+            subargv.push_back(sstr.str());
+            for (auto item : subargs.getValue()) {
+                subargv.push_back(item);
+            }
             commands::command_map[usercmd](subargv.size(), subargv);
         } else {
             cerr << "invalid command: " << usercmd << endl;