When running an Artisan task from within your application using `Command::run`, it fails when the same task is ran more than once. Every time the task is resolved, its file is included using `require` leading to duplicate class definitions. By using `require_once` this problem is avoided.

Added Greek Language

Signed-off-by: George Drakakis <lolly@lollypop.gr>

Get rid of duplicate code for DROP TABLE in schema grammars.

Fix insert() method for related models.

Improved code examples for inserting related models

Add Routing Wildcard '(:all)' to Documentation

Update laravel/documentation/database/fluent.md

Minor/unprotect eloquent timestamps

Deleted an anchor of top of line. Defined "config", but it was reffered ...

Change some Markdown to fit other md files' format.

[Session] Trigger garbage collection (sweep) manually

German translation for array validator messages

Fix Query::lists() for empty resultsets

Fixing a bug with saving data to pivot table

Fixed Exception thrown when passing null $value to Form::submit(), Form::reset(), Form::button()

Reorg and Additions and Improvements to Templating Documentation

Allow bundles to respond to root requests.

Artisan route task was ignoring the specified route

[Auth] Eloquent driver does now allow login via object

Allow Model instance or id for first argument in Has_Many_And_Belongs_To::attach()

Feature: Str::limit_exact    limits a string including its custom ending to a specified length

added dblib option to sqlsrv connector class /sam fitz (abigwonderful)

[Docs] Fix contribution page links

[Docs] Pull request guidelines