Refactor code base

[lucianopaz]

This is a major refactor of the entire code base.

It will push version 2.0.0 and close #14, #18, #22, #23, #25.

[codecov]

Codecov Report

Merging #26 (0d3c4e1) into master (5683690) will decrease coverage by 0.22%.
The diff coverage is 99.75%.

@@             Coverage Diff             @@
##            master      #26      +/-   ##
===========================================
- Coverage   100.00%   99.77%   -0.23%     
===========================================
  Files            3       22      +19     
  Lines          197      435     +238     
===========================================
+ Hits           197      434     +237     
- Misses           0        1       +1     

Impacted Files	Coverage Δ
compress_pickle/picklers/pickle.py	92.30% <92.30%> (ø)
compress_pickle/__init__.py	100.00% <100.00%> (ø)
compress_pickle/compress_pickle.py	100.00% <100.00%> (ø)
compress_pickle/compressers/__init__.py	100.00% <100.00%> (ø)
compress_pickle/compressers/base.py	100.00% <100.00%> (ø)
compress_pickle/compressers/bz2.py	100.00% <100.00%> (ø)
compress_pickle/compressers/gzip.py	100.00% <100.00%> (ø)
compress_pickle/compressers/lz4.py	100.00% <100.00%> (ø)
compress_pickle/compressers/lzma.py	100.00% <100.00%> (ø)
compress_pickle/compressers/no_compression.py	100.00% <100.00%> (ø)
... and 31 more