GitLab

* WIP: array refactoring

* WIP: implementation

* wip

* most csr part

* WIP: on coo

* WIP: coo

* finish refactoring immutable graph

* compiled

* fix undefined ndarray copy bug; add COOToCSR when coo has no data array

* fix bug in COOToCSR

* fix bug in CSR constructor

* fix bug in in_edges(vid)

* fix OutEdges bug

* pass test_graph

* pass test_graph

* fix bug in CSR constructor

* fix bug in CSR constructor

* fix bug in CSR constructor

* fix stupid bug

* pass gpu test

* remove debug printout

* fix lint

* rm biparate grpah

* fix lint

* address comments

* fix bug in Clone

* cpp utests

* add cpptest to ci

* try windows

* Update Jenkinsfile

* Update Jenkinsfile

* Update Jenkinsfile

* Update task_cpp_unit_test.bat

* Change localhost to 127.0.0.1

* windows socket gtest

* lint

* Update task_cpp_unit_test.bat

* fix batch script

* export all symbols

* Update Jenkinsfile

* compile once

* try mxnet compact

* fix CI for cpp test

* update port number

* add gtest module

* add gtest

* fix

* Update CMakeLists.txt

* Update README.md