v0.0.7

• Add numpy data array conversion functions
• Update internal trace segment tracking and store update time when mstl.add_data() is called
• Add MS3Record.sampletype_str()
• Return None from MS3Record.sampletype when not set
• Update libmseed to v3.1.4
• Black formatting
• Untrack vscode file and add to ignore
• Fix pytest warning in test_msrecord_read_record_details_fd()
• Add optional deps to toml (#10)
• Add operators and tests (#11)