Updated docs

Author: Nataniel López

CHANGELOG.md

@@ -12,6 +12,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - `Unit tests`
 - `Docs`
 - `badges in readme`
+- `Invalid config error`
 
 ### Fixes
 - `Fixed error while loading database drivers dependencies`

README.md

@@ -90,6 +90,7 @@ The codes are the following:
 | 1    | Config not found              |
 | 2    | Invalid databaseKey           |
 | 3    | Database driver not installed |
+| 4    | Invald config file            |
 
 ## Usage