Support currency trade

config.yaml

@@ -12,4 +12,4 @@ Chat:
   sold: 'Sorry, {item} is already sold'
 Parser:
   re_log: '(?P<date>\d\d\d\d/\d\d/\d\d \d\d:\d\d:\d\d) (\d+) (\S+) \[(?P<level>\S+) (\S+) (\d+)\] (?P<channel>[#@%$&]?)(?P<ToFrom>To|From)?\s?(?P<guild><\S+>)? ?(?P<user>[^:]+): (?P<message>.*)'
-  re_trade: 'Hi, I would like to buy your (?P<item>.+) listed for (?P<amount>\d+) (?P<currency>\S+) in (?P<league>\S+) \(stash tab "(?P<tab>.+)"; position: left (?P<col>\d+), top (?P<row>\d+)\)'
+  re_trade: 'Hi, I would like to buy your ?(?P<nrItems>\d*) (?P<item>.+) (listed )?for (my )?(?P<amount>\d+) (?P<currency>\D+) in (?P<league>\w+)\.?( \(stash tab "(?P<tab>.+)"; position: left (?P<col>\d+), top (?P<row>\d+)\))?'