Megfile

- perf
- Increase `connect_timeout` config in s3
- perf http open when web api support `Accept-Range` but not bigger than block size.
- add retry for more errors
- fix
- fix `SftpPath.parts`
- fix s3 `ProfileNotFound` error when profile_name not in the config file

- fix
- fix sftp readlink

- perf
- perf prefetch reader
- setup s3 connect timeout
- fix
- prevent http Range header out-of-range in http prefetch reader

- feat
- add `force` param in sync methods for copy file forcible
- add `-f` / `--force` in `refile sync`
- check same file in copy, and raise `SameFileError`
- perf
- Set the timeout for SSH connections.

- fix
- fix `s3_access` write permission's check
- feat
- support `AWS_S3_ADDRESSING_STYLE` env for setting s3 addressing style
- perf
- perf some s3 api

- fix
- remove unuseful print
- fix smart copy from http to local
- support all s3 other config for s3 profile mode