v2.0.0

LinearOperators v2.0.0

Diff since v1.3.1

Closed issues:

• Can't use the full function (#181)

Merged pull requests:

• Revamp with 5-args mul! (#180) (@geoffroyleconte)
• Update README.md (#182) (@amontoison)
• Update README.md (#187) (@amontoison)
• Release 2.0 (#188) (@amontoison)