Introspection methods

This commit adds methods to get information about the state
of our phpredis object, such as what host/port we are connected
to, our timeout, etc...

The following methods have been added:

getHost()
getPort()
getDBNum()
getTimeout()
getReadTimeout()
isConnected()
getPersistentID()
getAuth()

In addition, there is a small memory leak fix when a persistent id
was specifically passed to connect() (it wasn't beeing freed).

Addresses issue #320

1 files changed, 1 insertions, 0 deletions

diff --git a/common.h b/common.h
index 1b9e97f5..33d60ce6 100644
--- a/common.h
+++ b/common.h
@@ -157,6 +157,7 @@ typedef struct {
     php_stream     *stream;
     char           *host;
     short          port;
+    char           *auth;
     double         timeout;
     double         read_timeout;
     int            failed;