Version 1.0.6

• GPR #101: Adds travis support + use ocaml-migrate-parsetree (@mlasson)
• GPR #94: Typo: correct wrong 'apply_arr' to 'apply' (@facelesspanda)
• GPR #89: Update the opam file (@hhugo)
• GPR #87: Switch to dune (@hhugo)
• GPR #88: Fix some warnings (@hhugo)
• GRP #85: Adapt to 4.08 (@nojb)

Version 1.0.5

• Adapt to OCaml 4.06

Version 1.0.4

• Adapt to OCaml 4.05.