fixes recent pastes default bug (#22)

Co-authored-by: root <root@st5ve.com>

pastey/functions.py

@@ -8,9 +8,12 @@ from cryptography.fernet import Fernet
 import time
 import uuid
 import json
+from os import environ
 
 ########## Paste functions ##########
 
+config.recent_pastes = int(environ["PASTEY_RECENT_PASTES"]) if "PASTEY_RECENT_PASTES" in environ else config.recent_pastes
+
 # Get recent n pastes, defined in config by recent_pastes
 def get_recent(limit=config.recent_pastes):
     paths = sorted(Path(config.data_directory).iterdir(), key=path.getmtime, reverse=True)