minor changes : )

src/helper_funcs.cpp

@@ -34,6 +34,7 @@ void safe_exit(int code) {
   }
 
   curl_easy_cleanup(curl);
+  endwin();
 
   exit(code);
 }
@@ -109,4 +110,21 @@ void print_in_middle(WINDOW *win, int starty, int startx, int width,
   mvwprintw(win, y, x, "%s", string);
   wattroff(win, color);
   refresh();
+}
+
+
+const std::string WHITESPACE = " \n\r\t\f\v";
+ 
+std::string ltrim(const std::string &s) {
+    size_t start = s.find_first_not_of(WHITESPACE);
+    return (start == std::string::npos) ? "" : s.substr(start);
+}
+ 
+std::string rtrim(const std::string &s) {
+    size_t end = s.find_last_not_of(WHITESPACE);
+    return (end == std::string::npos) ? "" : s.substr(0, end + 1);
+}
+ 
+std::string rm_tr_le_whitespace(const std::string &s) {
+    return rtrim(ltrim(s));
 }