enumerable#collect_concat
enumerable#each_entry
Merge pull request #600 from kostya/each_entry

enumerable#each_entry
faster flat_map
some random cleanups
Merge pull request #599 from kostya/collect_concat

enumerable#collect_concat
Fix for parsing $@
Added the logger library, which at least can be required now.
A blog post marking our one year anniversary.
Added publication dates to blog posts
copyedit
we added fibers
unskip a few tests which pass