Add .coveragerc

.coveragerc

diff --git a/.coveragerc b/.coveragerc
new file mode 100644
index 0000000..77c5f39
--- /dev/null
+++ b/.coveragerc
@@ -0,0 +1,14 @@
+[run]
+source = ec2stack
+
+omit =
+    *__init__*
+    *__main__*
+    ec2stack/configure.py
+
+[report]
+exclude_lines =
+    if 0:
+    if __name__ == .__main__.:
+
+ignore_errors = True