Update to 1.54
- New upstream release 1.54
- Fix to AEX.pm (GH#235, GH#244)
- New modules Sinvestor.pm, Tradegate.pm and XETRA.pm (GH#243)
- Updates to TMX.pm (Toronto Stock Exchange) (GH#248 and GH#253)
- Reverted API change (GH#230) in CurrencyRates/AlphaVantage.pm (GH#249)
- Fix to Fondsweb.pm (GH#250)