Added types exporting and corrected result_tuple type
Added r16 support.
Merge pull request #9 from Licenser/r16

Use crypto:hash/2 instead of deprecated crypto:md5/1.
Merge pull request #8 from klastochkin/master

Added types exporting and corrected result_tuple type
Adapt script to R17
Add R17 UTF-8 encoding header
Avoid crash of connection when passed invalid parameters (e.g. atoms)
Allow non-null Weights in numerics
Add support for geometric types
Merge pull request #12 from yjugl/master

Add support for geometric types
Replace usage of deprecated gb_tree/0
Export pgsql_connection/0 type
Synchronize to version 21
Document support of geometric types
Merge pull request #14 from pguyot/patch-1

Document support of geometric types
Fix bugs related to reconnection and TCP errors

TCP errors were not handled, and reconnection failed for many reasons.
New test with a proxy server to assert driver's behavior to TCP closes.
add crypto to app file
Merge pull request #15 from tsloughter/master

add crypto to app file
Fix crash within transactions with timeout (#16)

The crash happened when executing a statement yielding an error and
with a timeout value (not infinity). The statements sent by the driver
to change statement_timeout value failed with an error message which
was not properly handled.
New test case for issue #16: a rollback should work