sshaw/ddex — pull request #2 by germs12 (2014-03-24 18:00:28+00:00)
Title: strip leading slash

While working with SONY Music DDEX files I encountered an error where a leading slash ("/") was causing the version validation to fail. Remove any leading slashes when checking version.

```
MessageSchemaVersionId="/ern/341"
```
vs
```
MessageSchemaVersionId="ern/341"
```