v0.3.0

Fixes

• [validate] Fix bug where observations were not being balanced correctly.
• [dmr] Revert noodles to 0.50.0, partially fixes #178.

Adds

• [find-motifs] Add command to find motif sequences that are enriched for base modification.
• [entropy] Add command to calculate methylation entropy.
• [dmr] Add --segment option to categorize modified positions into contiguous "same" and "different" groups.
• [pileup] Add --header option to emit a column header.

Deprecations

• [pileup] Change output to always be all-tab delimited, next version will error with --only-tabs flag.