Added GUID and ISO 8601 Date format to String type.
Merge branch 'develop'
Added string.guid() and string.isoDate to README.md file
Resolving README.md conflict
Updating new tests to match recent cleanup.
fix a typo in README.md
Adding positive/negative options for number
Merge pull request #145 from iamdoron/patch-1

fix a typo in README.md
More tests
Merge pull request #147 from wpreul/master

Adding positive/negative options for number
white spaces should not be validated as numbers
add tests to stress that a number with whitespaces is a number
Merge pull request #148 from iamdoron/master

white spaces should not be validated as a number
Adding length, min, and max to object
Merge pull request #138 from jmlue42/master

Added string.guid() and string.isoDate()
Fixed example in docs for validating boolean.  Was using undefined variable 'any' instead of 'boolean'.

Signed-off-by: Justin Noel <github@calendee.com>
Merge pull request #152 from calendee/fixBooleanDocExample

Fixed example in docs for validating boolean
Fixing equals condition
Merge pull request #151 from wpreul/master

Adding length, min, and max to object
Upping version to 2.1.0