diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..68baf84
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,32 @@
+*.class
+*.log
+
+# sbt specific
+dist/*
+target/
+lib_managed/
+src_managed/
+project/boot/
+project/plugins/project/
+
+# Scala-IDE specific
+.scala_dependencies
+.cache
+.classpath
+.project
+.worksheet/
+bin/
+.settings/
+
+# OS X
+.DS_Store
+
+# Ctags
+.tags
+
+# ENSIME
+.ensime
+.ensime_cache/
+
+# IntelliJ
+.idea/
\ No newline at end of file
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diff --git a/cats.graffle/image1.tiff b/cats.graffle/image1.tiff
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index 0000000..849805b
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diff --git a/cats.pdf b/cats.pdf
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index 0000000..e227e86
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