This resolve #40
this fixes #42
Tests auto modification
Merge remote-tracking branch 'upstream/master'
DerefUri is now of type byte[]
More vars, removed unused method
TryParse instead of Parse
TryParseInt modified
DateTimeOffset to Nullable DateTimeOffset
Unnecessary if statement removed
Verify if the string is base64
Assert.Null used to verify if object references are null
Extracted  AddMilliseconds method
Removed unnecessary method
Merge pull request #43 from StanculescuDaniel/master

This fixes #42 and resolves #40