- added support for 'long' addresses
- updated copyright notice in hexrays.i
- added methods to remove or insert elements in the qlist<cinsn_t> list
- added support for ctree_visitor_t / ctree_parentee_t / cfunc_parentee_t / user_lvar_visitor_t
- updated vds3 sample
- added vds4 and vds7 python samples (ported from their C++ counter parts)
