+ Initial plugin files commit
Merge branch 'master' of https://github.com/Fofir/t4w
- Merged the seperate options page to a function in t4w_admin class
+ Added the admin table class and file to call for the admin transaction table
* Added a map of all transaction variables used by the plugin to be used in the settings class isntead of different maps for hidden and input fields
* Change some funciton names to not use underscroes
* All plugin options are now inside a single property of the settings class
* All plugin transaction vars are now inside a single property of the settings class
* Finished adding the transactions admin table
* Re-formatted some method, propert and variable names to not use underscores
+ Added the missing propert and methods to the settings class to handle missing required option values
+ Added the invoicing class and options
+ Added automatic invoicing on transaction return