Siasync version 1.0.1

Version 1.0.1 introduces several new flags such as -sync-only, -size-only, -dry-run and improves the output of the -debug flag. Additional changes have been made to how Siasync functions and deletes files from the Sia network. I encourage you to read the full release blog post at https://medium.com/@tbenz9/siasync-version-1-0-1-beta-release-2b8de793547a.

Special thanks to user opendba, and lukechampine for contributing code into this release.