diff --git a/appveyor.yml b/appveyor.yml
deleted file mode 100644
index 4adbec5..0000000
--- a/appveyor.yml
+++ /dev/null
@@ -1,26 +0,0 @@
-image:
-- Visual Studio 2015
-
-environment:
-  global:
-    TWINE_USERNAME: lejafar
-
-  matrix:
-    # VS 2015
-    - BUILD_TYPE: nmake
-      VS_VERSION: Visual Studio 14
-      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
-
-build_script:
-  - bash travis/build-openctm-win.sh
-  - pip install cibuildwheel==0.9.4
-  - touch stub.cc
-  - cibuildwheel --output-dir wheelhouse
-  - ps: >-
-      if ($env:APPVEYOR_REPO_TAG -eq "true") {
-        python -m pip install twine
-        python -m twine upload (resolve-path wheelhouse\*.whl)
-      }
-artifacts:
-  - path: "wheelhouse\\*.whl"
-    name: Wheels
\ No newline at end of file
diff --git a/openctm/io.py b/openctm/io.py
index 7742c82..a785faa 100644
--- a/openctm/io.py
+++ b/openctm/io.py
@@ -3,11 +3,15 @@
 
 
 class CTM:
+    """
+    Object that encapsulates a CTM file
+    """
 
-    def __init__(self, _vertices, _faces, _normals=None):
+    def __init__(self, _vertices, _faces, _normals=None, _filename=""):
         self.vertices = _vertices
         self.faces = _faces
         self.normals = _normals
+        self.filename = _filename
 
     def __eq__(self, other):
         return (self.vertices == other.vertices).all() and (self.faces == other.faces).all()
@@ -51,6 +55,9 @@ def import_mesh(_filename):
 
 def export_mesh(_ctm, _filename):
     ctm_context = ctmNewContext(CTM_EXPORT)
+    
+    if not _filename.lower().endswith('.ctm'):
+		_filename += '.ctm'
 
     try:
         vertex_count = len(_ctm.vertices)
diff --git a/openctm/version.py b/openctm/version.py
index f617a23..75977e6 100644
--- a/openctm/version.py
+++ b/openctm/version.py
@@ -1 +1 @@
-__version__ = '1.0.0rc1'
\ No newline at end of file
+__version__ = '1.0.0'
\ No newline at end of file