Updated to PocketMine-MP API 3.0.0

• Updated to PocketMine-MP API 3.0.0

API Bump

• API bumped to 3.0.0-ALPHA12

Updated to PocketMine-MP 1.7dev + new cool features!

• Updated to PocketMine-MP 1.7dev
• Added custom channel authentication (none, password, whitelist)
• Added hidden/unhidden channel setting
• Fixed a critical typo related to costants

API Update, Fixed channel permissions typo

• Updated to API 1.11.0 (compatible also with API 1.12.0)
• Fixed channel permissions typo (#4)

Now Open Source, Plugin renamed to "ServerChannels"

• Now Open Source (https://github.com/EvolSoft/ServerChannels)
• Plugin renamed to "ServerChannels" because there is already a plugin called "ChatChannels"