ssl=0 is now parses to false

Fixes #20

Author: hjr3

index.js

@@ -49,6 +49,10 @@ function parse(str) {
     config.ssl = true;
   }
 
+  if (config.ssl === '0') {
+    config.ssl = false;
+  }
+
   if (config.sslcert || config.sslkey || config.sslrootcert) {
     config.ssl = {};
   }

test/parse.js

@@ -150,6 +150,12 @@ describe('parse', function(){
     subject.ssl.should.equal(true);
   });
 
+  it('configuration parameter ssl=0', function(){
+    var connectionString = 'pg:///?ssl=0';
+    var subject = parse(connectionString);
+    subject.ssl.should.equal(false);
+  });
+
   it('set ssl', function () {
      var subject = parse('pg://myhost/db?ssl=1');
      subject.ssl.should.equal(true);