version to 2.0.0.rc.1

* Removed Rake support and handling (#105)
* have the CLI sort the test files before requiring them (#107)
* moved the capture output helper into the common set of helpers (#108)
* use a config/init pattern (#106)
* updated Runner handling to configure runner instances (#109)
* added in requiring a local settings file on initialization (#110)
* handle and apply options from the CLI (#111)
* handle and apply ENV settings (#112)
* moved test file loading into the `Assert.init` method (#113)
* hooked up some `debug` behavior (#114)
* removing the Options class and all usage (#116)