Few logic improvement. The search method stores XML. Preparation before
adding document and facet getter(s)
The search method handle all the parameters
Merge remote-tracking branch 'upstream/master'

Conflicts:
	lib/oss_rb.rb
	spec/api/api_v1_spec.rb
Merging
Merge pull request #3 from emmanuel-keller/master

Merging, but I really don"t like the search method