By default, php will only print the first few thousand bytes of the
exception, for an uncaught exception
(I think that's the default, and not just my configuration)
Instead, print all of the parts of the exception.
For #1083 (this PR does not cover set_error_handler)
* Extract function getPsalmHelpText() from psalm.php
* Extract initialiseConfig from psalm.php
* Add -c as valid short option for psalter and psalm-refactor
* Use initialiseConfig in psalter, psalm-refactor and psalm-language-server as well as psalm
* Rely on psalm --alter resolving directory from config file in test
* Remove erronous condition for config file path
This code was based on me wrongly thinking that the config file location
was seprated from the argument name with a space instead of an equals
sign
* Use config dir as current dir in psalm and psalm-refactor, as with psalter and psalm-language-server
* Remove redundant duplicated code
* Refactor: move calls to \Psalm\Config::setComposerClassLoader inside initialiseConfig
* PHPCS fix
* Extract function get_path_to_config from command scripts
* Refactor - extract functions from \Psalm\Config::loadFromXML
* Refactor - reduce verbosity of config loading code
* Allow running e2e tests on windows
* Fix testCompactReport on Windows
* convert line endings to make testCompactReport pass on Windows
