fix leapday issue in relative timestamp function

modules/bq.py

@@ -12,6 +12,7 @@ from module import commands
 def BQstatus(bot, trigger):
 	"""
 	Displays the current status of BQ.
+	https://twitter.com/Quidam_Asinus/status/1067130989422489600
 	"""
 	status = "\x0304DEAD"
 	deathdate = datetime(2017, 2, 16, 0, 19, 0)

tools.py

@@ -4,6 +4,7 @@ Some helper functions and other tools.
 """
 import re
 import argparse
+import calendar
 import threading
 from collections import defaultdict
 from datetime import datetime
@@ -231,6 +232,7 @@ def relative_time(time_1, time_2):
 		units['year'] = diff.days // 365
 	if diff.days >= 0:
 		units['day'] = diff.days - units.get('year', 0)*365
+		units['day'] -= calendar.leapdays(time_2.year, time_1.year)
 
 	if not any(units.values()):
 		if diff.seconds // 3600: