Rewrite the library

[loevgaard]

This PR should simplify the library a lot hopefully making it more developer friendly :)

[codecov]

Codecov Report

Merging #18 (341b71b) into 0.7.x (96386ad) will decrease coverage by 24.36%.
The diff coverage is 63.07%.

❗ Current head 341b71b differs from pull request most recent head 1d3f4eb. Consider uploading reports for the commit 1d3f4eb to get more accurate results

@@              Coverage Diff              @@
##              0.7.x      #18       +/-   ##
=============================================
- Coverage     74.86%   50.49%   -24.37%     
+ Complexity       61       34       -27     
=============================================
  Files            14        3       -11     
  Lines           179      101       -78     
=============================================
- Hits            134       51       -83     
- Misses           45       50        +5     

Impacted Files	Coverage Δ
src/Batch/Batch.php	0.00% <0.00%> (-46.16%)	⬇️
src/Query/QueryRebuilder.php	0.00% <0.00%> (ø)
src/Batcher/Batcher.php	66.23% <68.33%> (-27.97%)	⬇️

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