A few new commands and more polish this week and a surprise contribution of sublime-style fuzzy history searching.

• Added a new env command to display environment variables and important paths (#675)
• pka added a sublime-style fuzzy history search (#672)
• pka also added support for displaying the history and config paths to env (#690, #691)
• Replaced the vtable command with the new pivot command (#678)
• Added support for urlencode/urldecode (#685)
• wycats moved more internals to use metadata tags (#668)
• Thanks to those who filed issues: tlightsky, larsch, and jankoprowski
• Lots of bugfixes