agtboost 0.9.0 (2020-08-12)

• Initial release.

agtboost 0.9.1 (2020-10-04)

• Patch fixing error from log() on Solaris. Fixed by casting problematic type to double.
• Fixing error on UBSAN: Undefined behaviour (method call from NULL pointer)
• Checked with rhub::check_with_sanitizers() and rhub::check_on_solaris()