Ignore composer.phar
composer require ext-sqlite3
composer require --dev phpunit/phpunit
merged branch sanpii/composer (PR #103)

This PR was merged into the master branch.

Discussion
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Composer

Fix some missing dependencies.

Commits
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ea33252 composer require --dev phpunit/phpunit
8026093 composer require ext-sqlite3
d696b39 Ignore composer.phar