updated version to 1.4.6-SNAPSHOT
explicitely check if file exists. see #128
updated samples
Fix log message that includes a format string argument without any format string formatting. Fixes an exception thrown while logging.
Fix spelling of 'occurred' throughout file.
Merge branch 'RequestProcessor-fixlogmsg' of https://github.com/jasco/robospice
Add stack trace exception when saving to cache fails.
Update changelog for 1.4.6