+ private field for members in qda interface and ~ more members to private
+ private field for members in qda interface and ~ more members to private

Saurabh7/shogun,lambday/shogun,Saurabh7/shogun,sorig/shogun,shogun-toolbox/shogun,lisitsyn/shogun,lisitsyn/shogun,besser82/shogun,karlnapf/shogun,lambday/shogun,Saurabh7/shogun,sorig/shogun,sorig/shogun,geektoni/shogun,shogun-toolbox/shogun,sorig/shogun,Saurabh7/shogun,karlnapf/shogun,karlnapf/shogun,besser82/shogun,Saurabh7/shogun,besser82/shogun,besser82/shogun,Saurabh7/shogun,lambday/shogun,lisitsyn/shogun,shogun-toolbox/shogun,lambday/shogun,karlnapf/shogun,geektoni/shogun,Saurabh7/shogun,geektoni/shogun,Saurabh7/shogun,karlnapf/shogun,shogun-toolbox/shogun,geektoni/shogun,karlnapf/shogun,shogun-toolbox/shogun,geektoni/shogun,besser82/shogun,lisitsyn/shogun,lambday/shogun,sorig/shogun,besser82/shogun,lisitsyn/shogun,lambday/shogun,lisitsyn/shogun,geektoni/shogun,Saurabh7/shogun,shogun-toolbox/shogun,sorig/shogun