Update composer.json

Merge pull request renoki-co#21 from renoki-co/feature/accept-multipl…

…e-instances-of-same-flag

[feature] Allow same-flags to be set multiple times

Update composer.json

Removed escape argument shell

Merge pull request renoki-co#14 from renoki-co/feature/macros-and-ext…

…ra-calls

[feature] Macros & new calls

Updated K8s versions

Merge pull request renoki-co#6 from renoki-co/feature/custom-commands

[1.x] Added custom commands

Fixed escapeshellarg

Update README.md

Fixed requirements