New release broke something

Looks like the new release broke something. Using a test page with only one line:

Call – [link_obfuscate_telephone tel=”123-456-7890″]

I’m getting the following:

( ! ) Fatal error: Call to undefined method LAOTN::safe_text() in C:\wamp\www\wp-content\plugins\tel-link-obfuscate\includes\class_link_and_obfuscate_telephone_numbers.php on line 166
Call Stack
# Time Memory Function Location
1 0.0000 144096 {main}( ) ..\index.php:0
2 0.0000 146152 require( ‘C:\wamp\www\wp-blog-header.php’ ) ..\index.php:17
3 0.3437 14837176 require_once( ‘C:\wamp\www\wp-includes\template-loader.php’ ) ..\wp-blog-header.php:16
4 0.3593 14935176 include( ‘C:\wamp\www\wp-content\themes\responsivepro\page.php’ ) ..\template-loader.php:74
5 0.4843 15189904 the_content( ) ..\page.php:40
6 0.4843 15190328 apply_filters( ) ..\post-template.php:166
7 0.4843 15176136 call_user_func_array ( ) ..\plugin.php:199
8 0.4843 15176152 do_shortcode( ) ..\plugin.php:199
9 0.4843 15176944 preg_replace_callback ( ) ..\shortcodes.php:188
10 0.4843 15178192 do_shortcode_tag( ) ..\shortcodes.php:188
11 0.4843 15178528 call_user_func ( ) ..\shortcodes.php:273
12 0.4843 15178552 LAOTN::action( ) ..\shortcodes.php:273

I’d link to the page, but it’s on a private internal server and not yet public.

I’m using WP 3.7, and updated the plugin this morning. The theme is responsive (pro) from CyberChimps.

http://wordpress.org/plugins/tel-link-obfuscate/