[chore] update changelog

Author: roshangautam

CHANGELOG.md

@@ -3,14 +3,31 @@
 This project follows [Semantic Versioning](CONTRIBUTING.md).
 
 ---
+### v5.0.0 - 03/03/2019
+- Add Laravel 5.8 Support
+- Update Change Log
+
+### v4.0.3 - 01/24/2019
+- Fix constant definition typo in service provider
+
+### v4.0.2 - 12/20/2018
+- Add support for configurable DB connection
+- Cache table prefix to avoid multiple and frequent DB queries
+
+### v4.0.1 - 11/08/2018
+- Fix table prefix issue that surfaced with Laravel 5.7.12
+- Fix foreign key database migrations
+
 ### v4.0.0 - 09/05/2018
-Release for Laravel 5.7
+- Add Laravel 5.7 compatiblity
+- Use null coalescing operator in blade file instead of or operator
+- Update changelog and readme
 
 ### v3.0.0 - 02/27/2018
-Release for Laravel 5.6
+- Add support for Laravel 5.6
 
 ### v2.0.0 - 09/03/2017
-Release for Laravel 5.5
+- Add support for Laravel 5.5
 
 ### v1.0.0 - 09/03/2017
-Initial stable release for Laravel 5.4
+- Initial stable release for Laravel 5.4

CONTRIBUTING.md

@@ -4,7 +4,7 @@ This page contains guidelines for contributing to the Code Studio packages. Plea
 
 ## Which Branch?
 
-**ALL** bug fixes should be made to the branch which they belong. Bug fixes should never be sent to the `master` branch unless they fix features that exist only in the upcoming release.
+**ALL** bug fixes should be made to the branch which they belong.
 
 ## Pull Requests
 

README.md

@@ -19,6 +19,7 @@ Manage your `Laravel Schedule` from a pretty dashboard. Schedule your `Laravel C
 
 |<span align="left">Laravel</span> |<span align="left">Totem</span>| 
 |:-------|----------:|
+|5.8     |     5.x   |
 |5.7     |     4.x   |
 |5.6     |     3.x   |
 |5.5     |     2.x   |