Write simple initialization function as well as a test function.

src/pyliblexmodule.c

@@ -0,0 +1,36 @@
+#include "pyliblexmodule.h"
+#include "liblex.h"
+#include "eval.h"
+
+static void _pyliblex_free_eval(PyObject* object){
+  eval_config* config = PyCapsule_GetPointer(object, NULL);
+  if(config){
+    liblex_result result = eval_config_free(config);
+    if(result != LIBLEX_SUCCESS){
+      PyErr_NoMemory();
+    }
+  }
+}
+
+static PyObject* pyliblex_init(PyObject* self, PyObject* args){
+  PyObject* return_object = NULL;
+  eval_config* config = malloc(sizeof(*config));
+
+  if(config){
+    eval_config_init(config);
+    return_object = PyCapsule_New(config, NULL, _pyliblex_free_eval);
+  } else {
+    return_object = PyErr_NoMemory(); 
+  }
+
+  return return_object;
+}
+static PyObject* pyliblex_add_definitions(PyObject* self, PyObject* args);
+static PyObject* pyliblex_lex(PyObject* self, PyObject* args);
+static PyObject* pyliblex_test(PyObject* self, PyObject* args) {
+  return PyUnicode_FromString("Test from liblex!");
+}
+
+PyMODINIT_FUNC PyInit_pyliblex() {
+  return PyModule_Create(&module_object);
+}