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3.2

• Add support for Multisite
• Update plugin framework to 034
• Remove support for 'c2c_restrict_usernames' global
• Note compatibility through WP 3.3+
• Drop compatibility with versions of WP older than 3.1
• Change parent constructor invocation
• Create 'lang' subdirectory and move .pot file into it
• Regenerate .pot
• Add 'Domain Path' directive to top of main plugin file
• Add link to plugin directory page to readme.txt
• Tweak installation instructions in readme.txt
• Update screenshots for WP 3.3
• Update copyright date (2012)

3.1

• Add support for BuddyPress
• Add bp_members_validate_user_signup()
• Fix to properly register activation and uninstall hooks
• Update plugin framework to 023
• Save a static version of itself in class variable $instance
• Deprecate use of global variable $c2c_restrict_usernames to store instance
• Add __construct(), activation()
• Note deprecation of 'c2c_restrict_usernames' global
• Note compatibility through WP 3.2+
• Drop support for versions of WP older than 3.0
• Add more FAQ questions
• Minor code formatting changes (spacing)
• Fix plugin homepage and author links in description in readme.txt

3.0.1

• Update plugin framework to version 021
• Explicitly declare all class functions public
• Delete plugin options upon uninstallation
• Note compatibility through WP 3.1+
• Update copyright date (2011)

3.0

• Re-implementation by extending C2C_Plugin_016, which among other things adds support for:
  • Reset of options to default values
  • Better sanitization of input values
  • Offload of core/basic functionality to generic plugin framework
  • Additional hooks for various stages/places of plugin operation
  • Easier localization support
• Full localization support
• Fix to display custom error message rather than the incorrect WordPress default validation error message
• Store plugin instance in global variable, $c2c_restrict_usernames, to allow for external manipulation
• Rename class from 'RestrictUsernames' to 'c2c_RestrictUsernames'
• Remove docs from top of plugin file (all that and more are in readme.txt)
• Note compatibility with WP 2.9+, 3.0+
• Drop compatibility with versions of WP older than 2.8
• Add PHPDoc documentation
• Minor tweaks to code formatting (spacing)
• Add Upgrade Notice section to readme.txt
• Remove trailing whitespace
• Update screenshot
• Update .pot file

2.0.1

• Fix to add accidentally omitted get_option_names()

2.0

• Add option to disallow use of spaces in usernames
• Add option to allow requirement of any of numerous substrings as part of usernames (including start with and end with requirements)
• Add reset button to reset options
• Move initialization of config array out of constructor and into new function load_config()
• Create init() to handle calling load_textdomain() and load_config() (textdomain must be loaded before initializing config)
• Return immediately if username being check is already invalid
• Use strpos() instead of stristr()
• Changed invocation of plugin's install function to action hooked in constructor rather than in global space
• Extract settings saving code into maybe_save_options()
• Extract settings display code into display_option()
• Update object's option buffer after saving changed submitted by user
• Add support for localization
• Add .pot file
• Add PHPDoc documentation
• Note compatibility with WP 2.9+
• Drop compatibility with versions of WP older than 2.8
• Update documentation
• Update copyright date

1.1

• Added 'Settings' link to plugin's plugin listing entry
• Used plugins_url() instead of hardcoded path
• Noted compatibility with WP2.8+
• Minor code formatting tweaks

1.0

• Initial release