Merge pull request #64 from euroelessar/master

Fixed write_cas
v2.23.4.1
Only recover in groups which returned -ENOENT or -EBADFD from read
Fixed subtle clang warning
Made dnet_id_comparator const
Revert "Add C++ bindings for module_backend"

This reverts commit e7ff6791b1d3d9d5dc0ed835b3b3b7d38ee260a3.
Revert "Add module_backend implementation"

This reverts commit 6488274301a6e627cc52f1984d479de84b3ca495.

Conflicts:
	example/module_backend/module_backend.c
Revert "Add -H option to dnet_ioclient"

This reverts commit aa648e895c25d114bd89b65b683fa8778931b999.
v2.23.4.2
Merge pull request #65 from euroelessar/master

Changed behaviour of find_indexes
Added raw transform interface. Use it in session class to hash dnet_raw_id.
Moved dnet_raw_id logical operations to public_header
Moved to delete declaration of non-copyable objects
Introduced bind_method analogue of std::bind
Secondary indexes implementation moved from functors to object methods