GitLab

* Define environment in examples (xgboost clash)

* Large R code changes

* Update lgb.Booster.R

* Add saveRDS (manual)

* Add documentation

* Change arguments passed from debug.

* Add readRDS, change way of saving.

* Change documentation.

* Add better documentation.

* Add lgb.Booster parsing function

* Add data.table, magrittr, jsonlite to Imports

* finish R's c_api

* clean code

* fix sizeof pointer in 32bit system.

* add predictor class

* add Dataset class

* format code

* add booster

* add type check for expose function

* add a simple callback

* add all callbacks

* finish the basic training logic

* update docs

* add an simple training interface

* add basic test

* adapt the changes in c_api

* add test for Dataset

* add test for custom obj/eval functions

* fix python test

* fix bug in metadata init

* fix R CMD check