1.2.1.0

Added dynamic segment tree, etc.

1.2.0.0

• Added AtCoder.Extra.Seq
• Fixed RangeAdd for Max and Min
• etc.

1.1.0.0

• Added a bunch of extra modules
• Added segActWithLength to SegAct
• etc.

1.0.0.1

Just some doc fix

1.0.0.0

Initial release with ACL-compatible modules and minimum Extra module (binary exponentiation and SegAct instances`).