Bugs fixed

• _isNumber should check for isNaN
• _isDate should check for isNaN

Search field and lookup for filter

Patches

• Documentation updated: 0573d89
• Set up CI with Azure Pipelines: 218377f
• Update azure-pipelines.yml for Azure Pipelines: 3db2df6
• Search field and lookup method added: a07f6e3
• Documentation updated: 01b4029

Version 2

Initial release