Add a run_lua_tests.sh script

This script will be used to run the Lua tests (yet to be added).

To run the script:

    cd tests
    ./run_lua_tests.sh
diff --git a/.gitignore b/.gitignore
index 7c7deb8..b80d7e8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,4 +2,8 @@
 *.swp
 *.pyc
 .ropeproject
-
+tests/lua/mocks/inspect.lua
+tests/lua/mocks/anomaly.lua
+tests/lua/mocks/annotation.lua
+tests/lua/mocks/date_time.lua
+tests/circular_buffer.so