Merge pull request #650 from iceddev/master

bump pg-connection-string to support colons in password
Bump version
Update README.md
Merge pull request #652 from pierrerochard/patch-1

Small typo
Bump version of pg-types to support boolean arrays
Update news
Bump version
Merge branch 'master' of github.com:brianc/node-postgres
Update README.md
Bump version of pg-types
Bump version
Update news
Do not consider a statement as prepared if it errors

Fixes #600
Merge pull request #661 from brianc/issues/600

Do not consider a statement as prepared if it errors
Add regression test for #199
Merge branch 'master' of github.com:brianc/node-postgres
Bump version
Add pg-format to the list of helper modules.
Fix issue with parsed statement cache timing - closes #665
Merge pull request #668 from brianc/issues/600-redux

Fix issue with parsed statement cache timing - closes #665