added classpath support
added lookahead regex and simplified slicing logic
added support for both theme and user-specified stylesheets, combined - fixes #78
expose API to accept an input string and resolve the produced slideshow instead of reading/writing file contents
removed old testing code to make way for proper front-end testing
class list documentation; and a fix for trailing whitespace in the classlist
added wiki references to README
added quicklinks to options docs
documentation on the fullscreen feature