added utility file

src/util.rs

@@ -0,0 +1,24 @@
+use std::io;
+
+// TODO: Can't get this function to properly work
+// Currently, I'm grabbing input and have the server tell me whether or
+// not input was validated. What I want to have happen is if there's
+// a failure in input validation, I want the program to tell right away
+// not have the server tell me when I'm doen inputting values
+pub fn get_input(question: String) -> String {
+    let result: String;
+    loop {
+        let mut input = String::new();
+        println!("{}", &question);
+        io::stdin().read_line(&mut input).unwrap();
+
+        match input.len() {
+            0 => println!("{}", "Sorry, that wasn't valid input. Please try again.\n"),
+            _ => {
+                result = input.trim().to_string();
+                break;
+            }
+        }
+    }   
+    result
+}