encapsulate logit parameters in a struct
added iterators
split html.Document into html.Document and html.Article
added html.Website to extract links
store initial array capacities in constants
fixed broken comment spelling
renamed Extractor to ChunkExtractor
added LinkExtractor
added extra struct for user input
revamped command line interface
simplified hostname frequency calculation
used misleading terms
added comments
corrected spelling
replaced string flag with two boolean flags
added custom usage output
write usage to stderr, not stdout
mention new command line flag
fixed spelling
extract links to RSS feeds