Allow hyphens in xref_id

• Allow incomplete cov 04ffdc4
• deps: Update tap aab25aa
• deps: bump package-lock b1c0f9d
• deps: Switch to npm because yarn broke 0eb6b0b
• Fix cli (#49) 411dd3c
• fix: allow hyphen in xref_id (#48) c683259
• docs: Update references to parse-gedcom in README c4c4549

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v3.0.0...v3.0.1