spurplus 2.3.5

We upgrade spur version to 0.3.23, so spurplus can install with paramiko 3.x.

spurplus 2.3.4

• Added support for Python 3.7 and 3.8, respectively.

spurplus 2.3.3

• Fixed live tests for Windows

spurplus 2.3.2

• Added separate named temporary files for Windows compatibility

spurplus 2.3.1

• Set the default of cwd argument to None instead of ""

spurplus 2.3.0

• Added initialization of reconnecting SFTP through paramiko

spurplus 2.2.1

• Added temppathlib to dependencies (was in dev dependencies before)

spurplus 2.2.0

• Updated to icontract 2.0.1
• Added listdir to spurplus.sftp

spurplus 2.1.2

• Replaced mutable argument types with immutable ones where appropriate

spurplus 2.1.1

• Fixed sync_to_remote to delete children before parent directories