[RELEASE] Crawler version 9.1.5

Added
 Error-Handling when Page 0 is used for crawler:buildQueue

Changed
 Removed all references to cHash as it is not used anymore.

Deprecated Functions & Properties
 CrawlerController-getLogEntriesForPageId()
 CrawlerController-CLI_runHooks()
 QueueRepository-countAllByProcessId()
 QueueRepository-countUnprocessedItems()
 FlushQueueCommand --page option

Fixed
 Typecasting port number in cli/bootstrap to have processQueue working with non-standard ports
 Flush entire queue works again
 Check if PageRow[uid] is integer before handing it on to next function