fix incorrect timestamp bug that occurs if you add a note before any other events have occurred (#153)

Author: alustig3

source/communication/pycboard.py

@@ -421,7 +421,6 @@ def setup_state_machine(self, sm_name, sm_dir=None, uploaded=False):
             micropython_version=self.micropython_version,
         )
         self.data_logger.reset()
-        self.timestamp = 0
 
     def get_states(self):
         """Return states as a dictionary {state_name: state_ID}"""
@@ -440,7 +439,8 @@ def start_framework(self, data_output=True):
         self.gc_collect()
         self.exec("fw.data_output = " + repr(data_output))
         self.serial.reset_input_buffer()
-        self.last_message_time = 0
+        self.last_message_time = time.time()
+        self.timestamp = 0
         self.exec_raw_no_follow("fw.run()")
         self.framework_running = True