v2.0.1

• tests: add some; change names b6f45a1
• readme: explain result of construct() 6135f62
• readme: tweak "numbering" image 0a0f945
• example(color ramp): fix off-by-one 3fbc96a
• readme: change wording 90f31e6
• readme: swap "numbering" image 6b70bee
• add example "numbering" a673055

v2.0.0...v2.0.1