updated composer
updated dependencies
added a price to the books of the sample
Merge branch 'master' of github.com:philiplb/CRUDlexSample

Conflicts:
	composer.json
	composer.lock
	vendor/autoload.php
	vendor/composer/autoload_real.php
	vendor/composer/installed.json
	vendor/philiplb/crudlex/CHANGELOG.md
	vendor/philiplb/crudlex/README.md
	vendor/philiplb/crudlex/docs/0_manual.md
	vendor/philiplb/crudlex/docs/2_setup.md
	vendor/philiplb/crudlex/docs/4_datatypes.md
	vendor/philiplb/crudlex/src/CRUDlex/CRUDControllerProvider.php
	vendor/philiplb/crudlex/src/CRUDlex/CRUDEntity.php
	vendor/philiplb/crudlex/src/CRUDlex/CRUDServiceProvider.php
	vendor/philiplb/crudlex/src/views/form.twig
	vendor/philiplb/crudlex/src/views/layout.twig
	vendor/philiplb/crudlex/src/views/renderField.twig
	vendor/philiplb/crudlex/tests/CRUDlexTestEnv/CRUDTestDBSetup.php
	vendor/philiplb/crudlex/tests/CRUDlexTests/CRUDControllerProviderTest.php
	vendor/philiplb/crudlex/tests/CRUDlexTests/CRUDEntityDefinitionTest.php
	vendor/philiplb/crudlex/tests/CRUDlexTests/CRUDEntityTest.php
	vendor/philiplb/crudlex/tests/CRUDlexTests/CRUDMySQLDataTest.php
	vendor/philiplb/crudlex/tests/crud.yml
updated dependencies