Introduces new component `ConfigResolver`

[llaville]

To solve issue #163

[llaville]

I've one more regression to fix before to merge.
When a YAML config file identify a path and console input identify also another path value, current code use YAML content ! And it should be override

PS: fixed by commit 5739b2f034fe920d0d451b8ad22fef8e746e90a1

[llaville]

Issue #167 was fixed by this PR

[llaville]

@overtrue Finally after merging this PR to codebase, I've noticed some regressions. This is the reason why I'll patch with this better code

diff --git a/src/Configuration/ConfigResolver.php b/src/Configuration/ConfigResolver.php
index 5302329..7204d60 100644
--- a/src/Configuration/ConfigResolver.php
+++ b/src/Configuration/ConfigResolver.php
@@ -11,6 +11,7 @@ use Symfony\Component\Yaml\Yaml;
 use Throwable;

 use function array_keys;
+use function array_replace_recursive;
 use function count;
 use function dirname;
 use function getcwd;
@@ -92,9 +93,7 @@ final class ConfigResolver
     {
         if (!empty($this->options[self::OPTION_CONFIG_FILE])) {
             $conf = $this->loadConfiguration($this->options[self::OPTION_CONFIG_FILE]);
-            if ($conf[self::OPTION_PATH] !== $this->options[self::OPTION_PATH]) {
-                $conf[self::OPTION_PATH] = $this->options[self::OPTION_PATH];
-            }
+            $conf = array_replace_recursive($conf, $this->options);
             $config = $this->getOptions()->resolve($conf);
         } else {
             $config = $this->options;
@@ -131,6 +130,9 @@ final class ConfigResolver
         try {
             $configuration = Yaml::parseFile($path);
             if (is_array($configuration)) {
+                if (!is_array($configuration[self::OPTION_PATH])) {
+                    $configuration[self::OPTION_PATH] = [$configuration[self::OPTION_PATH]];
+                }
                 return $configuration;
             }
             $this->exceptions[] = new ParseException(

Explains Options/Arguments (for path) given on command line should have a highter importance than those provided by a YAML config file !