V0.3.1

What's Changed

• apply clippy fixes by @digizeph in #30
• better handle search results with missing data by @digizeph in #36
• allow floating point number timestamp by @digizeph in #37
• order search results by AS number by @digizeph in #38
• change default table to concise markdown by @digizeph in #39
• add --psv flag to output to PSV format by @digizeph in #40

Full Changelog: v0.2.1...v0.3.1