Fix spelling of "Serializable"
Return null from GetPairs/GetNameValueCollection if value is null

* fixes Json.net deserialization
Fix email subjects, issue #40
Merge pull request #42 from rossipedia/fix-spelling

Fix spelling of "Serializable"
Merge pull request #43 from rossipedia/fix-json-net

Return null from GetPairs/GetNameValueCollection if value is null
Add Func<string> for setting an IP directly
Cleanup unused locker
Make all error stores multi-application friendly
Fix date sorting issue #41
Allow email configuration via code

Resolves Issue #32
Cleanup extraneous XML comments
Fix for spelling fix breaking deserialization

Older serialized errors, in a SQL store for instance with the old
collection variable names were missing when deserialized - this now
handles both
Save SqlException.Procedure if present
Merge pull request #46 from AkosLukacs/save-SqlException-procedure

Save SqlException.Procedure if present
Email (doh) and Procedure cleanup