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Closes #1
added useful information to README.md
Merge pull request #2 from jmonster/docs

added useful information to README.md
maxSockets support added
maxSockets support added
condition for when maxSockets === true
added maxSockets tests
Changed maxSockets option to Agent option
Merge pull request #4 from jaw187/master

maxSockets Support
Coverage. Closes #5
Added support for automatic JSON response parsing.
Add toString() on buffer parsing
Added better content-type parsing, renamed option to just json, and a bit of restructuring.
Removed error on non-JSON response and small formatting changes.
Merge pull request #6 from cjihrig/json-parsing

Added support for automatic JSON response parsing.
Cleanup for #6
Fixed Shortcut test grouping
Merge pull request #7 from cjihrig/indentation

Fixed Shortcut test grouping