Added hist number to prompt, Arrows working

src/shell/history.rs

@@ -34,6 +34,16 @@ pub fn get_history_number() -> Result<i32, std::io::Error> {
     return Ok(number);
 }
 
+pub fn get_curr_history_number() -> i32 {
+    //Returns CURRENT history number, AKA the one for the command we are typing
+    let mynumber = match get_history_number() {
+        Ok(n) => n + 1,
+        Err(e) => 1,
+    };
+
+    return mynumber;
+}
+
 pub fn get_history() -> Result<String, std::io::Error> {
     let filepath = dirs::home_dir().unwrap().join("history.sqish");
     let file = File::open(filepath)?;