dcache 0.2.1

Provide a simple dart cache library usable on web, flutter and server side

0.2.1

• Improve algorithm time to insertion
• reduce min version of meta to be compatible with flutter

0.2.0

• Update dependencies
  • meta
• Use google linters rules based on pedantic package
• Fix implicit cast
• Add README.md in examples
• Fixing linters on setter return type
• Fix dart sdk to use dart2