v0.2.0

What's Changed

• Noisy observations by @schilln in #10
• Fix observed slice by @schilln in #11
• Error surfaces by @schilln in #12
• More asymptotics by @schilln in #13
• True observed mask by @schilln in #14
• Added feature to turn off use of extra asymptotic information by @schilln in #15

Full Changelog: v0.1.0...v0.2.0