v1.4.0

Changes in Version 1.4.0 (2022-09-30)

• Package bibtex back in Imports and no longer used conditionally
  in ReadBib() since it's now back on CRAN.
• Fixes for ReadPDFs() (#95).
• useBytes is now FALSE in all sub, grep, etc. calls in all
  package functions.
• Fix for GetPubMedByID() with multiple book results (#86).
• Remove comma preceeding "et al" in Cite, Citep, etc. calls (#84)
• Add support for custom bibtypes with custom bibstyles (#83)