import axiom without dependency on symfony console

axiom_src/Exceptions/AtomException.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace Enzyme\Axiom\Exceptions;
+
+class AtomException extends AxiomException
+{
+    public function __construct($class, $value)
+    {
+        parent::__construct(
+            "The atom [{$class}] could not process the value [{$value}]."
+        );
+    }
+}

axiom_src/Exceptions/AxiomException.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace Enzyme\Axiom\Exceptions;
+
+use Exception;
+
+class AxiomException extends Exception
+{
+    //
+}