do not accept passwords with > 256 characters

uffd/user/models.py

@@ -119,7 +119,7 @@ class User():
 		return True
 
 	def set_password(self, value):
-		if len(value) < 8:
+		if len(value) < 8 or len(value) > 256:
 			return False
 		self.newpassword = value
 		return True

uffd/user/templates/user.html

@@ -62,7 +62,7 @@
 				<input type="password" class="form-control" id="user-password" name="password" placeholder="mail to set it will be sent" readonly>
 				{% endif %}
 				<small class="form-text text-muted">
-					At least 8 characters, no other special requirements. But please don't be stupid and use a password manager.
+					At least 8 and at most 256 characters, no other special requirements. But please don't be stupid and use a password manager.
 				</small>
 			</div>
 		</div>