BoundingBox passes centroid test
implemented bounding box for ellipse
Type::Line passes BoundingBox test
fixed compile error due to G++ 4.2 bug
started test case for intype bounding box calculation
added new Lua functions: createGroup, getGroup
New type VirtualGroup implemented
long overdue formatting of code
* bumped version to 0.4.76~svn * moved interpreter lua functions in own module
Version 0.4.75
