2.2.1 is a patch release. Key changes include:

• See the changelog for what's changed.;
• sh git fetch git checkout tags/2.2.1 .

2.2.0 is a minor release. Key changes include:

• A new variables exercise (#264, thanks to @TorbenJ!);
• Exercises about type conversion and and parsing (#249, thanks to @AbdouSeck!).

2.2.1 is a patch release. Key changes include:

• See the changelog for what's changed.;
• sh git fetch git checkout tags/2.2.1 .

2.2.0 is a minor release. Key changes include:

• A new variables exercise (#264, thanks to @TorbenJ!);
• Exercises about type conversion and and parsing (#249, thanks to @AbdouSeck!).