Rename all lib files clog_*

Signed-off-by: Rick Taylor <rick@tropicalstormsoftware.com>
Reduce solitary postfix ++ to prefix
Adjust reduce block

Signed-off-by: Rick Taylor <rick@tropicalstormsoftware.com>
Now with dead assignment folding

Signed-off-by: Rick Taylor <rick@tropicalstormsoftware.com>
Now with unused variable removal

Signed-off-by: Rick Taylor <rick@tropicalstormsoftware.com>
Much better dead variable removal

Signed-off-by: Rick Taylor <rick@tropicalstormsoftware.com>