account balance format

[olaulau]

transactions amounts are returned as float, whereas balance amount is returned as string. with some banks (french caisse d'épargne), balance amount has comma instead of dot as decimal separator (ie. : -34,18). If you apply a floatval() to this string, this cuts down the cents. (french crédit agricole ofx files doesn't have this issue) of course I can process the string or use NumberFormatter parser, but it would be more convenient if it was integrated into ofxparser and that balance amount was returned as proper float !