Fix minor bugs

v1.4.3

fix minor bugs

Add READMEs and fix a few minor bugs.

v1.4.2

v4.1.2 add READMEs and fix a few minor bugs.

Fix a bug of object dimensions

v1.4.1

update the version

Add a new graph reconstruction function (ONNG).

v1.4.0

add sample.py

Minor updates

v1.3.3

v1.3.3 minor updates

Bug fix for macOS

v1.3.1

v1.3.1. fix a compile error for Mac OS.

Release Python NGT.

v1.3.0

v1.3.0 release python NGT.

Update C API and fix some bugs.

v1.2.1

v1.2.1. update C API and fix some small bugs.

Add C API.

v1.2.0

v1.2.0 add C API.

Accelerate the query time by using AVX.

v1.1.0

v1.1.0 speed up the distance computations by using AVX and modify tri…