Advance v3.0.0-alpha.11

• Upgrade mvcc to 2.0.0-alpha.5.
• Update LICENSE for current year.

Closes #93.

Advance v3.0.0-alpha.10

• Upgrade mvcc to 2.0.0-alpha.4.
• Build with Node.js 16 on GitHub Actions.
• Build with Node.js 16 on Travis CI.

Closes #92.

Advance v3.0.0-alpha.9

• Update LICENSE for 2021.
• Upgrade mvcc to 2.0.0-alpha.3.
• Build with Node.js 12, 14 and 15 on CI/CD.

Closes #91.

Advance v3.0.0-alpha.8

• Upgrade mvcc to 2.0.0-alpha.2. Closes #89.

Closes #90.

Advance v3.0.0-alpha.7

• Upgrade mvcc to 2.0.0-alpha.1. Closes #87.

Closes #88.

Advance v3.0.0-alpha.6

• Use MVCC constants. Closes #85.
• Add the ability to set a set type. Closes #84.

Closes #86.

Advance v3.0.0-alpha.5

• Using a type property for direction. Closes #82.

Closes #83.

Advance v3.0.0-alpha.4

• Make reversal an argument. Closes #80.
• Add reverse property. Closes #79.

Closes #81.

Advance v3.0.0-alpha.3

• External async. Closes #76.

Closes #77.

Advance v3.0.0-alpha.2

Closes #75.