Display all connections when query is empty

Made the search argument optional, and updated the script to return
all connections when no argument is provided.
Changed input from `{query}` to `argv` to support special characters.

info.plist

@@ -60,10 +60,12 @@
 				<false/>
 				<key>alfredfiltersresultsmatchmode</key>
 				<integer>0</integer>
+				<key>argumenttreatemptyqueryasnil</key>
+				<false/>
 				<key>argumenttrimmode</key>
 				<integer>0</integer>
 				<key>argumenttype</key>
-				<integer>0</integer>
+				<integer>1</integer>
 				<key>escaping</key>
 				<integer>127</integer>
 				<key>keyword</key>
@@ -79,9 +81,9 @@
 				<key>runningsubtext</key>
 				<string>Searching connections for "{query}"...</string>
 				<key>script</key>
-				<string>php tableplus.php "{query}"</string>
+				<string>php tableplus.php "$1"</string>
 				<key>scriptargtype</key>
-				<integer>0</integer>
+				<integer>1</integer>
 				<key>scriptfile</key>
 				<string></string>
 				<key>subtext</key>
@@ -98,7 +100,7 @@
 			<key>uid</key>
 			<string>7B86D057-DA8E-4302-AF17-83B889B48EE2</string>
 			<key>version</key>
-			<integer>2</integer>
+			<integer>3</integer>
 		</dict>
 	</array>
 	<key>readme</key>

tableplus.php

@@ -21,7 +21,7 @@
 $connections = $plist->plistToArray(file_exists($setapp_connections_path) ? $setapp_connections_path : $default_connections_path);
 $groups = $plist->plistToArray(file_exists($setapp_groups_path) ? $setapp_groups_path : $default_groups_path);
 
-$results = array_filter($connections, function ($connection) use ($query) {
+$results = empty($query) ? $connections : array_filter($connections, function ($connection) use ($query) {
     return strpos(strtolower($connection['ConnectionName']), strtolower($query)) !== false;
 });