Merge pull request #1 from HotDocsCorp/master

Merge in changes from main SDK
Allow interview settings to be passed in instead of being read from web.config.
Also allow encryption key to be explicitly set instead of being read from web.config
Changing some spaces to tabs to fix layout
Amending some more spaces to tabs
Merge pull request #4 from RPrimrose/master

Allow interview settings to be passed instead of read from web.config