expose some params for ConnectionQuery

[benib]

• exposes direct, sleeper, couchette and bike parameter for ConnectionQuery.
• fixes transportations parameter to default to 'all'

[benib]

sorry for the commit noise

[fabian]

Thanks, merged. However I prefer to keep the default for transportations inside the query class.

[dbrgn]

Wouldn't it be better if those options would be put coma-separated inside an options parameter?

e.g. &options=sleeper,bike instead of &sleeper=1&bike=1?

[fabian]

Hmmm, I don't think so… this would required a separate way to parse these options, why not stick to standard URL syntax?

[dbrgn]

Ok, agree.