diff --git a/puppeter/container.py b/puppeter/container.py
index 36d9db6..1296178 100644
--- a/puppeter/container.py
+++ b/puppeter/container.py
@@ -4,9 +4,12 @@ class NamedBean(cls):
             def __init__(self, *args):
                 self.wrapped = cls(*args)
 
-            def get_bean_name(self):
+            def bean_name(self):
                 return bean_name
 
+            def __repr__(self):
+                return '@Named(\'%s\') %s' % (bean_name, repr(self.wrapped))
+
             def __getattr__(self, name):
                 return getattr(self.wrapped, name)
         return NamedBean
@@ -14,29 +17,21 @@ def __getattr__(self, name):
 
 
 def bind(cls, impl_cls):
-    try:
-        lst = __beans[cls]
-    except:
-        lst = []
-        __beans[cls] = lst
-    lst.append(__Bean(cls, impl_cls=impl_cls))
+    beans = __get_all_beans(cls)
+    beans.append(__Bean(cls, impl_cls=impl_cls))
 
 
 def bind_to_instance(cls, impl):
-    try:
-        lst = __beans[cls]
-    except:
-        lst = []
-        __beans[cls] = lst
-    lst.append(__Bean(cls, impl=impl))
+    beans = __get_all_beans(cls)
+    beans.append(__Bean(cls, impl=impl))
 
 
 def get_all(cls):
+    beans = __get_all_beans(cls)
     try:
-        beans = __beans[cls]
-        return list(map(lambda bean: bean.impl(), beans))
-    except:
-        return []
+        return tuple(map(lambda bean: bean.impl(), beans))
+    except Exception:
+        return tuple()
 
 
 def get(cls):
@@ -63,8 +58,10 @@ def get_named(cls, bean_name):
 def __get_all_beans(cls):
     try:
         return __beans[cls]
-    except:
-        return []
+    except KeyError:
+        lst = []
+        __beans[cls] = lst
+        return lst
 
 
 class __Bean:
@@ -79,13 +76,9 @@ def impl_cls_name(self):
         return self.__impl_cls
 
     def name(self):
-        if self.__impl is not None:
-            return self.__impl.get_bean_name()
-        else:
-            return self.__impl_cls().get_bean_name()
+        return self.impl().bean_name()
 
     def impl(self):
-        if self.__impl is not None:
-            return self.__impl
-        else:
-            return self.__impl_cls()
+        if self.__impl is None:
+            self.__impl = self.__impl_cls()
+        return self.__impl
diff --git a/puppeter/domain/__init__.py b/puppeter/domain/__init__.py
index 8f47b0e..e69de29 100644
--- a/puppeter/domain/__init__.py
+++ b/puppeter/domain/__init__.py
@@ -1 +0,0 @@
-PRELOADED = True
diff --git a/puppeter/domain/model/installer.py b/puppeter/domain/model/installer.py
index 75ca32c..8ed86f5 100644
--- a/puppeter/domain/model/installer.py
+++ b/puppeter/domain/model/installer.py
@@ -13,9 +13,11 @@ def __init__(self):
         self.__mode = Mode.Agent
 
     def raw_options(self):
+        # noinspection PyUnresolvedReferences
+        installer_type = self.bean_name()
         return {
           'mode': self.__mode.name,
-          'type': self.get_bean_name()
+          'type': installer_type
         }
 
     def read_raw_options(self, options):
diff --git a/puppeter/persistence/__init__.py b/puppeter/persistence/__init__.py
index 8f47b0e..e69de29 100644
--- a/puppeter/persistence/__init__.py
+++ b/puppeter/persistence/__init__.py
@@ -1 +0,0 @@
-PRELOADED = True
diff --git a/puppeter/presentation/__init__.py b/puppeter/presentation/__init__.py
index 8f47b0e..e69de29 100644
--- a/puppeter/presentation/__init__.py
+++ b/puppeter/presentation/__init__.py
@@ -1 +0,0 @@
-PRELOADED = True
diff --git a/tests/domain/model/test_installer.py b/tests/domain/model/test_installer.py
index 6c0b1f6..f970616 100644
--- a/tests/domain/model/test_installer.py
+++ b/tests/domain/model/test_installer.py
@@ -3,7 +3,7 @@ def test_rubygems_installer_named_bean():
     from puppeter.domain.model.installer import RubygemsInstaller
     installer = RubygemsInstaller()
     # when
-    bean_name = installer.get_bean_name()
+    bean_name = installer.bean_name()
     # then
     assert bean_name is 'gem'
 
@@ -60,4 +60,17 @@ def test_getting_impl_from_container():
 
     # then
     assert installer.mode() is Mode.Agent
-    assert installer.get_bean_name() is 'pc3x'
+    assert installer.bean_name() is 'pc3x'
+
+
+def test_getting_all_impls_from_container():
+    # given
+    from puppeter.domain.model.installer import Installer, Collection5xInstaller
+    from puppeter import container
+
+    # when
+    installers = container.get_all(Installer)
+
+    # then
+    assert len(installers) >= 4
+    assert len(tuple(filter(lambda cls: isinstance(cls, Collection5xInstaller), installers))) == 1