Merge pull request diggy#117 from diggy/update-readme-1-5-0

update readme, drop some tests

Merge pull request diggy#114 from diggy/require-wp-cli-1-4-0

require wp-cli 1.4.0

Merge pull request diggy#111 from diggy/composer-2017-10-16

composer updates 2017 10 16

Merge pull request diggy#106 from diggy/add-wp-pll-post-update-subcom…

…mand

add 'wp pll post update' subcommand

Merge pull request diggy#93 from diggy/update-package-framework,-requ…

…ire-WP-CLI-1.3.0

update package framework, require WP-CLI 1.3.0

Merge pull request diggy#86 from diggy/fix-wp-pll-option-sync/unsync

fix wp pll option sync/unsync

fix failing test (diggy#61)