Merge pull request #10 from Cougar/cleanup

Cleanup
Merge pull request #11 from Cougar/sdp

Add SDP class
Merge pull request #12 from Cougar/sdp

Use 'value' for both value and values list
Merge pull request #13 from Cougar/sdp

Add get_data_list() generator, get_data(key) returns one value
vastuvotu osa kasutab SDP klassi, tee ka saatmine seda tegema
Merge pull request #14 from Cougar/sdp

Sdp