Minor formatting in Slakefile
Add initial implementation of iterator module
Define iterator in linkifier
Fix ret appending in iterator
Fix final definition of iterator
Make linkifier use the iterator module
Add iterator.ls to source files in Slakefile
Add indent code block support to iterator
Add indent code block test case for linkify.sha
Add indent with tab test
Add commentary to the iterator module
Add a new indent test case
Add explanation for bitwise AND in iterator module
Fix indent-skip in iterator module
Extend indent code block testing
Merge branch 'regex-iterator'