version 2.0.0

many improvements and breaking changes

• simplified naming (breaking change)
• documentation updates
• default values updated for new optional fields
• "fix" date format for xml
    - needs to be dateTime.iso8601 string to work with old revive xml api
• old pear XML_RPC_* globals removed
• removed carbon required, using illuminate/support carbon
• updated readme with install data
• fix statistics methods (dates formatting checks)