v2.4.4

Patches

• Version upgrade: 275db92
• Add support for null dates, decimal and percent: 636f083
• Correct table event documentation: b918142
• Documenting event for column filters: 4e33f10
• Update README.md: ea644b6
• Fix search with enter trigger: f15c49f
• Merge branch 'master' of https://github.com/xaksis/vue-good-table: 9bfd543
• Th style fix for firefox: 568e839