1.4.3 (unstable):
 * Add more methods to a wrapped classes.
 * Wrapp classes: GstAllocator, GstAtomicQueue, GstContext.
 * Fix miniobject's make_writable method.
 * Add msvc support (vcxproj).
 * Add example for elements with sometimes pads.
 * Improve main page in documentation
 * Fix refcount bug in Gst::Buffer::copy and QueryCaps::parse.
 * Fix segfault Gst::QueryAllocation::parse_nth_allocation_meta.
 * Add more unittests.