v1.3.5

Added a src/cache directory, so that users of the package wont have to create it.

v1.3.4

The parameters for default constructor are now case-insensitive.
This is in order to make the package compatible with X2form package at
http://github.com/sameer-shelavale/x2form

v1.3.3

Added support for case-insensitive params in constructor. This is mainly for improved compatibility and integration with upcoming version of x2form

v1.3.2

Fixed rendering issue in Recaptcha & Nocaptcha in v1.3.1.

v1.3.1

Updated the multiplication & division signs in Math captcha to use html codes.
Updated the rendering process to hold the captcha data in internal variable so that the different parts of the captcha can be rendered in different functions(e.g. label and captcha itself), this is mainly to make it easy to integrate with x2form form builder.

v1.3.0

Added support themes.
Also implemented file cache which is used to store uid of submited captcha and prevent same challenge-answer pair for rest of its lifetime

v1.2.1

Fixed the paths in examples

v1.2.0

Added refresh feature. the refresh button now shows up when you pass 'refreshUrl'

v1.1.0

Added support for Google NoCaptcha (Recaptcha2.0)

v1.0.0

This first release supports rendering of 6 types of captcha.