added CHANGELOG, TODO and version update

CHANGELOG.md

@@ -0,0 +1,12 @@
+# Changelog
+
+## [1.1.0] - 2020-11-19
+
+### Added
+
+- security settings revokethreshold and minrequestperiod
+- support for standard not email based login of existing users
+
+### Fixed
+
+- settings form help typos 

TODO.md

@@ -1,5 +1,7 @@
 TODO:
 
-- unit tests
+- configurable takeover of user authtype after self singup in other auth module
+  in case of standard not email based logins
 - js snippet to change login form (ex. to add "Generate OTP" button) on valid
   email as username
+- unit tests

version.php

@@ -24,7 +24,7 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$plugin->version   = 2020111803;        // The current plugin version (Date: YYYYMMDDXX).
+$plugin->version   = 2020111900;        // The current plugin version (Date: YYYYMMDDXX).
 $plugin->requires  = 2018120304;        // Requires this Moodle version.
 $plugin->component = 'auth_emailotp';   // Full name of the plugin (used for diagnostics).
 $plugin->maturity  = MATURITY_STABLE;