fix bug when parsing xml config for boolean values in SoftDeletable
Merge pull request #831 from tiagojsag/xml_boolean_fix

[SoftDeletable] fix bug when parsing xml config for boolean values in SoftDeletable
xml bool attr parse fix
Merge pull request #832 from tiagojsag/xml_boolean_fix

_getBooleanAttribute() improvement and refactored PR 831