fix import bug  - tvmaze differentiates between tv- and web-series  - tv-series have "network" data  - web-series have "webChannel" data
fix import bug
 - tvmaze differentiates between tv- and web-series
 - tv-series have "network" data
 - web-series have "webChannel" data

clean up of debug logging
change doc strings to tvmaze api (json)

maxgraser/seriesly,maxgraser/seriesly,maxgraser/seriesly