Fix for issue #106

See issue #106 for the bug's details:

https://github.com/schotime/NPoco/issues/106
Merge pull request #107 from CaspianCanuck/patch-8

Fall back to member name matching when matching db column names
Fix FormatCommand with Null values
Add shortcut database method to update snapshotted pocos
Merge pull request #111 from Mike737377/master

Add shortcut database method to update snapshotted pocos
Remove missing file from csproj
Make CreateCommand and AddParameter public and add to IDatabase interface
Fix SqlExpressions for nullable enums
Run mapper through primary key columns
Move check for dynamic object to top of IsNew method