diff --git a/.gitignore b/.gitignore
index 68a6255..4d5d002 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,5 @@
 /release
 /cta_api_key
-/ctabus
 /output
 /test.py
 __pycache__
@@ -9,4 +8,4 @@ __pycache__
 *.pdf
 *.bat
 stderr.log
-sensitive.py
\ No newline at end of file
+sensitive.py
diff --git a/ctabus/__init__.py b/ctabus/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/ctabus.py b/ctabus/ctabus.py
similarity index 100%
rename from ctabus.py
rename to ctabus/ctabus.py
diff --git a/ctabus/internal/__init__.py b/ctabus/internal/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/disk_cache.py b/ctabus/internal/disk_cache.py
similarity index 100%
rename from disk_cache.py
rename to ctabus/internal/disk_cache.py
diff --git a/print2d.py b/ctabus/internal/print2d.py
similarity index 100%
rename from print2d.py
rename to ctabus/internal/print2d.py
diff --git a/search.py b/ctabus/internal/search.py
similarity index 100%
rename from search.py
rename to ctabus/internal/search.py
diff --git a/main.py b/ctabus/main.py
similarity index 100%
rename from main.py
rename to ctabus/main.py