qsfs v1.0.2

• To synchronize Cache operations to avoid data race
• Fix failure to truncate a new created empty file
• Fix failure to upload big file with odd bytes
• Fix wrong data position when read from cache
• No log message in Drive Cleanup to avoid dead reference to Log #3
• Set connection timeout to 300s as same as curl default
• Refactor to gurantee data consistency
• Add more log messages
• Add CMake option UPDATE_CONNECT to automatically update external project from remote repo.