adding Database/Corp/AbstractCorpSection.php and Database/Corp/MemberTrackingLimited.php. Modified Database/Corp/MemberTrackingExtended.php to use AbstractCorpSection.php. Fixed $mask in Database/Eve/CharacterInfo.php
fixed namespace in Database/Corp/AbstractCorpSection.php, removed use statement for AbstractCorpSection in Database/Corp/MemberTrackingExtended.php and Database/Corp/MemberTrackingLimited.php
added Database/Corp/WalletTransactions.php and WalletTransactions.xsd