Refactor Multiline and PeriodicArray

[lkdvos]

No description provided.

[codecov]

Codecov Report

Merging #72 (5dff15d) into master (205b0b0) will decrease coverage by 2.61%.
Report is 4 commits behind head on master.
The diff coverage is 75.60%.

@@            Coverage Diff             @@
##           master      #72      +/-   ##
==========================================
- Coverage   84.49%   81.89%   -2.61%     
==========================================
  Files          58       59       +1     
  Lines        3696     3838     +142     
==========================================
+ Hits         3123     3143      +20     
- Misses        573      695     +122     

Files	Coverage Δ
src/MPSKit.jl	100.00% <ø> (ø)
src/states/infinitemps.jl	55.31% <ø> (ø)
src/utility/utility.jl	89.87% <0.00%> (-1.16%)	⬇️
src/operators/mpomultiline.jl	40.00% <66.66%> (+6.66%)	⬆️
src/utility/periodicarray.jl	84.61% <77.77%> (+5.20%)	⬆️
src/states/mpsmultiline.jl	83.33% <83.33%> (ø)
src/utility/multiline.jl	66.66% <66.66%> (ø)

... and 2 files with indirect coverage changes