Refactor out langauges

This commmit removes the languages code and takes a dependency on the
rewritten module.

test/test_languages.py

@@ -0,0 +1,20 @@
+import pytest
+from language.types import WeightedSet
+from language.languages.common import common
+
+
+@pytest.mark.parametrize('values,expected_members,expected_weights', [
+    ((('foo', 1.0), ('bar', 0.5)), ('foo', 'bar'), (1.0, 0.5))
+])
+def test_WeightedSet(values, expected_members, expected_weights):
+
+    print(*values)
+    ws = WeightedSet(*values)
+    assert ws.members == expected_members
+    assert ws.weights == expected_weights
+    assert ws.random()
+
+
+def test_common():
+    for i in range(50000):
+        assert common.word()

test/test_types.py

@@ -0,0 +1,22 @@
+from language import types
+
+
+def test_subclassing():
+
+    class akak(types.Language):
+        clicks = types.WeightedSet(("k'", 1.0),)
+
+        def get_grapheme_click(self) -> str:
+            return self.clicks.random()
+
+    ak = akak(
+        name='ClickSpeak',
+        vowels=types.WeightedSet(('a', 1.0),),
+        consonants=types.WeightedSet(),
+        prefixes=None,
+        suffixes=None,
+        rules=set(),
+        minimum_grapheme_count=2,
+        syllables=types.SyllableSet((types.Syllable('vowel,click'), 1.0),),
+    )
+    assert list(ak.word(2)) == ["ak'", "ak'"]