Variance block and example script
Merge remote-tracking branch 'upstream/master'
Added get_rule for var, sd, and avg blocks
Merge pull request #105 from mikedewar/master

added long http block
Sync with upstream
Merge pull request #106 from jasoncapehart/master

Variance block
error check for json marshalling
no fatal error in NSQ, allow for lazy re-connect
add non-thrashing code to sync
ensure single request for post_value
Merge pull request #109 from mikedewar/master

added group histogram
this doesn't work anymore
single client POST
update to readme
updated readme
formatting ftw
more formatting. I hate markdown
make things more simple
fixing #104
fixes for #107