Update package version

[nathan-hess]

Minor Updates

• Updated version to v1.1.0.dev. This makes it easier to tell whether one of the tagged versions (v0.1.0, v0.2.0, v1.0.0) or a development version (installed with Git) is installed on a user's system

[codecov]

Codecov Report

Merging #78 (7c52b3b) into main (19c6587) will not change coverage.
The diff coverage is 100.000%.

Additional details and impacted files

@@             Coverage Diff             @@
##               main        #78   +/-   ##
===========================================
  Coverage   100.000%   100.000%           
===========================================
  Files            35         35           
  Lines          1225       1225           
===========================================
  Hits           1225       1225           

Files Changed	Coverage Δ
pyxx/__init__.py	100.000% <100.000%> (ø)