Test if model class is instanciable

to handle abstract classes, interfaces...

src/Barryvdh/LaravelIdeHelper/ModelsCommand.php

@@ -141,7 +141,12 @@ class ModelsCommand extends Command {
             $this->properties = array();
             $this->methods = array();
             if(class_exists($name)){
-                try{
+                    // handle abstract classes, interfaces, ...
+                    $reflectionClass = new \ReflectionClass($name);
+                    if (!$reflectionClass->IsInstantiable()) {
+                        throw new \Exception($name . ' is not instanciable.');
+                    }
+
                     $model = new $name();
                     $this->getPropertiesFromTable($model);
                     $this->getPropertiesFromMethods($model);