don't cache k/v values between runs

Merge pull request kelseyhightower#174 from cinience/patch-1

Update templates.md

Merge pull request kelseyhightower#160 from kelseyhightower/add-exist…

…-function

template: add exists function

bump version

bump version 0.6.2

Merge pull request kelseyhightower#142 from carmstrong/fix_123

fix(resource): re-implement /etc/hosts fix

ensure all keys are sorted

Merge pull request kelseyhightower#134 from jsolmon/issue-133

Add env doc link to README

Add new ls and lsdir methods

Merge pull request kelseyhightower#114 from jhmartin/patch-1

Update consul-getting-started.md