Don't add null dependencies non existing names
Don't add null dependencies non existing names

In case of optionnal dependencies, the `param` value can be null.
Thus, there is no `name` property and the following error is thrown :
`Uncaught TypeError: Cannot read property 'name' of undefined`

rangle/batarangle,clbond/augury,rangle/augury,rangle/batarangle,rangle/augury,clbond/augury,rangle/batarangle,rangle/augury,clbond/augury,rangle/batarangle,rangle/augury,clbond/augury