touv/node-xml-mapping — Issue #1: Zero as a tag value
Author: fobdy
Created: 2012-03-08 11:07:32+00:00
State: open

When using zero integer as a tag value in js object we get an empty xml tag.

For example:
```xm.dump({ tag: { $t: 0 }}) // -> ''```
but
```xm.dump({ tag: { $t: 1 }}) // -> '1'```