Fix compilation with rustc bc0e288ad 2019-11-11 and bump version

Fix compilation with rustc 1423bec54 2019-11-05 and bump version

Fix compilation with rustc 10a52c25c 2019-10-24 and bump version

Fix compilation with rustc 0e8a4b441 2019-10-16 and bump version

Fix compilation with rustc 8431f261d 2019-09-29 and bump version

Fix compilation with rustc ddf43867a 2019-09-26 and bump version

Fix compilation with rustc 37538aa13 2019-09-25 and bump version