Pyorient

Fixes
https://github.com/mogui/pyorient/issues/117
https://github.com/mogui/pyorient/commit/5c73bfdccfc5420759f8e00dcfe3849bdece75ff
https://github.com/mogui/pyorient/issues/108
https://github.com/mogui/pyorient/issues/107

- Support for [pyorient_native](https://github.com/nikulukani/pyorient_native)
- Some improvements
- Some Bug Fixes also

Some bug fixes also.

Fixed vulnerability on SQL injection:
(see [details](https://github.com/mogui/pyorient/pull/172) )
(see [details](https://github.com/mogui/pyorient/pull/182) )

[Fix handling of nonstring values in OrientRecord instantiation](https://github.com/mogui/pyorient/pull/131)
[Fix incorrect reordering of params inside LinkedClassProperty constructor](https://github.com/mogui/pyorient/pull/130)
[Added unicode value test and a bunch of unicode quoting fixes.](https://github.com/mogui/pyorient/pull/128)
[Requested feature: Build object-graph mapping from database](https://github.com/mogui/pyorient/pull/126)