5.0.0

• fix warning when you use this module with express and mongoose.
• create sandbox example using express@4.17.1 and mongoos@5.9.10.
• add sandbox link to README.md.
• add shortObjectId to result when use cache option with out call any method.
• add cjs support with force way.
• update one test.

5.0.0-rc

• depreacted previous versions.
• update all deps.
• add CHANGELOG.md.
• add CODE_OF_CODUCT.md.
• add CONTRIBUTING.md.
• clean up and refactor the code.
• add options features.
• add predictable cache container (nano-redux with singleton pattern).
• create test for all code.
• add more information about this upate to README.md.