v4.0

Package changes:

• inputenc has been removed, since pdfTeX
• assumes UTF-8 by default as of 2018.
• fnpct and ellipsis have been added for
• better typography.
• booktabs and tabularx have been added
• for better tables.

Misc:

• Code to check if a command is defined
  has been improved and rewritten as a
  command.