Allow for addition of extra post-types by providing a filter on the get_posts() arguments.

SharePulse.php

--- <SharePulse.php>
+++ <SharePulse.php>
@@ -159,14 +159,16 @@
 		
 		$options = $this->get_sp_options();
 		
-		$ids = get_posts(array(
-			'orderby' => 'comment_count',
-			'posts_per_page' => -1,
-			'cache_results' => false,
+		$args = array(
+			'orderby'                => 'comment_count',
+			'posts_per_page'         => -1,
+			'cache_results'          => false,
 			'update_post_meta_cache' => false,
 			'update_post_term_cache' => false
-		));
-		
+		);
+		$args = apply_filters( 'sp_get_posts_args', $args );
+		$ids = get_posts( $args );
+
 		wp_enqueue_script( 'sharepulse-build-stats', plugin_dir_url( __FILE__ ).'/js/rebuild.js', array( 'jquery-ui-progressbar', 'jquery', 'underscore' ) );
 		wp_localize_script( 'sharepulse-build-stats', 'sp_Ajax', array(
 			'ajaxurl'       => admin_url( 'admin-ajax.php' ),

The following code will add support for any custom post-type. This could be modified to allow for an unlimited array of possibilties to filter and limit based on post-types, taxonomies etc.

<?php

/*
 * The SharePulse plugin does not support custom post-types by default.
 * Here we add support for all post-types into the plugin
 */
function iculture_sharepulse_get_posts_arguments( $args ) {
    $args['post_type'] = 'any';
    return $args;
}
add_action( 'sp_get_posts_args', 'iculture_sharepulse_get_posts_arguments' );