Update README.md

Remove much of the 'promotional' wording
Remove 'contributors' section since it's provided by GitHub now
Simplify examples
Remove references to the connection pool
Add sections on contributing and opening issues
Update README.md
Cleanly handle missing stream error on COPY operation. Closes #241
Add prepare-test-db rule and advertise it
Rework handling of missing stream object for copy ops

This version works better (doesn't throw) but also doesn't report
any error, which is not good
Send backend a CopyFail when no stream is defined to copy from
fix query in readme - closes #244
Merge pull request #243 from CartoDB/master-make

Add prepare-test-db rule and advertise it
Merge pull request #242 from CartoDB/master-error-on-missing-stream

Cleanly handle missing stream error on COPY operation. Closes #241
version bump
Adding SaferAging to Production use cases
Merge pull request #246 from voodootikigod/master

Adding SaferAging as a production use of library
added char[] and varchar[] to parsed datatypes
fixing support for Unix sockets in native binding

Binding natively connections to Unix sockets failed due to DNS lookups applied on pathname to Unix socket's folder.
Merge pull request #249 from booo/unix_sockets

fixing support for Unix sockets in native binding (rebased)
add ConnectionParameters object
remove node-tap
1. behave correctly if copy to/from is send to db by query method (report error in standart way); 2. bugfix and code review in native copy to implementation
bugfix: correctly create new connection for canceling copy to query
handle situation, when broken copy to query, ends before it is canceled