Added guard clauses into Crichton.Client.
Removed unused using statements.
Modified failed unit tests.
Implemented guard clauses using Code Contracts.
Changed CodeContractsRuntimeCheckingLevel to "Pre and Post".
Unchecked "runtime checking" option.
Removed Exception type from Contract.Requires.
Enable "runtime contract checking"
Merge pull request #35 from mdsol/feature/guard-clauses-cc

Merged!