add first draft of command line parsing
typos in command line parsing
Fix url in command line parsing
Fix url in command line parsing
Spelling
Add keyword sample
Add parse argument to index
Update parse-command-line-arguments.asciidoc

typo
Rescope for adding more features of the lib

refs #126
Rename because of scope change
Add example for streaming
Reformat library name
Add footnote for Twitter OAuth key retrieval
Merge pull request #133 from codebrickie/twitter-pr

Work on Twitter recipe
One line per "use" call
Example output for user-stream
Merge pull request #134 from codebrickie/twitter-pr

Minor changes
Prefer single-use of use
Adds recipe for removing duplicates from a collection
Merge branch 'master' into removing-duplicate-elements