Clear Imap Errors

Clear imap errors. If do not clear then imap errors are shown at the end of php script execution even if we tried to catch all exceptions.

Author: igor-khripun

src/PhpImap/Mailbox.php

@@ -73,7 +73,9 @@ public function getImapStream($forceConnection = true) {
 	protected function initImapStream() {
 		$imapStream = @imap_open($this->imapPath, $this->imapLogin, $this->imapPassword, $this->imapOptions, $this->imapRetriesNum, $this->imapParams);
 		if(!$imapStream) {
-			throw new Exception('Connection error: ' . imap_last_error());
+			$lastError = imap_last_error();
+			imap_errors();
+			throw new Exception('Connection error: ' . $lastError);
 		}
 		return $imapStream;
 	}