Release v0.5.1

• fixed a bug in get_cscg that caused an error when the input codon frequency matrix has a single row.
• added unit tests for all functions and internal data.

Full Changelog: v0.5.0...v0.5.1

Release v0.5.0

• fixed a bug in est_trna_weight. Now zero w values were replaced with
  geometric mean (rather than the arithmetic mean) of non-zero w values.
• fixed unexpected warnings in est_optimal_codons.
• fixed bugs that update input codon table due to data.table reference
  semantics.
• added a new vignette about the mathematical details of implementation.

v0.4.2

• New vignette for mitochondrial codon usage analysis.
• Fix a bug when in get_enc for non-standard genetic code.
• Formatting vignettes.
• New sample data human_mt for human mitochondrial protein CDS sequences.

cubar 0.4.0

v0.4.0

update description and show_codon_tables doc