Changed check for wrong error ini initWithString:error:
Changed check for wrong error in -(id)initWithString:usingEncoding:error:
Changed check for wrong errors in -(id)initWithDictionary:error:
Consistent nil initialization of errors
Made validate more Cocoa like
Consistent nil initialization of errors
Merge pull request #10 from appcominteractive/bugfix_errorChecking

More Cocoa like error handling