Implemented 'to be true' and 'to be false' shorthands.
1.0.3
Merge pull request #14 from papandreou/toBeTrueFalse

Implemented 'to be true' and 'to be false' shorthands.
1.0.4
Added test for 'not to be true' and 'not to be false'
Documented 'to be true' and 'to be false' assertions