bugfix for removeLanguage

• includes bugfix by @alessandro811020 #11

psr/log to v3, guzzle to 7.4.5

v3.0.1

Merge pull request #9 from bredmor/dependabot/composer/guzzlehttp/guz…

Security Fixes (Guzzle)

Updates the 2.0 branch to bump guzzle from 2.1.0 to 2.2.1, mitigating a high security vulnerability.