Rector, paratest phpstan localheinz rules, composer normalize
New tools:
- rector - Tool for instant code upgrades and refactoring #61
- paratest - Parallel testing for PHPUnit #62
- phpstan-localheinz-rules - Additional rules for PHPstan #63
- composer-normalize - Composer plugin to normalize composer.json files #64
Updates:
- psalm (3.1.0 -> 3.1.1) #59