v1.3.1-13

dparser 1.3.1-13

• Changed Makevars header order, strict options so that dparser
  will compile on older versions of R (#19, #20, #22)

What's Changed

• Old versions of R cannot compile dparser anymore by @mattfidler in #19
• Version that works with old version of R by @mattfidler in #22

Full Changelog: v1.3.1-12...v1.3.1-13