Moved the OLD parsers/formatter outside models
Also changed AddTransaction to not include standardizeString
Removed file handling from generate statement.

Added test for GenerateStatement
Added IStatementWriter

Added an interface IStatementWriter, Dialogs to use it,
and changed names from StatementFromatter to StatementWriter
Make a DefaultStatementWriter from Formatter

Just modified the DefaultStatementFormatter code and
combined it with the code from GenerateStatement
Fixed a comma, which caused a bug
Added a excel statement writer plugin