examples-features/ctap: Add prints to unimplemented functions Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

diff --git a/examples-features/ctap.rs b/examples-features/ctap.rs
index d580d8c..c037685 100644
--- a/examples-features/ctap.rs
+++ b/examples-features/ctap.rs

@@ -312,10 +312,12 @@
     type CredentialIterator = HmacCredentialQueue;
 
     fn reset(&mut self) -> Result<(), ()> {
+        println!("reset");
         unimplemented!()
     }
 
     fn check_exclude_list(&mut self, _rp_id: &str, _list: CredentialDescriptorList) -> bool {
+        println!("check_exclude_list");
         unimplemented!()
     }
 
@@ -424,10 +426,12 @@
     }
 
     fn start_timeout(&mut self) {
+        println!("start_timeout");
         unimplemented!()
     }
 
     fn has_timed_out(&mut self, _time: Duration) -> bool {
+        println!("has_timed_out");
         unimplemented!()
     }
 }