ruby/ruby — pull request #107 by funny-falcon (2012-03-24 21:21:11+00:00)
Title: Cleanup some st.c and hash.c code 

1. Remove unused code from st.c and hash.c
2. Remove unnecessary st_table allocation from hash.c
3. Move safemode logic from hash.c to st.c to make it clearer
4. st_shift to optimize Hash#shift