v1.2.1 - Minor fixes for Cache and Best Practice

What's Changed

• ADD DOCUMENTATION: Best Practice Analyser by @gavsto in #138
• ENHANCEMENT: Added additional cache removal options by @gavsto in #148
• DOCUMENTATION: Update a few documents by @gavsto in #149
• ENHANCEMENT: Added Scroll X for datatable by @gavsto in #152
• Merging dev into master by @KelvinTegelaar in #153

Full Changelog: v1.2.0...v1.2.1