Document tmap, remove Manifest.toml, remove Julia 0.6 support

[jw3126]

Properly removing 0.6 support, which does not pass all tests anyway. Some other minor improvements.

[codecov-io]

Codecov Report

Merging #19 into master will increase coverage by 7.07%. The diff coverage is 88.88%.

@@            Coverage Diff             @@
##           master      #19      +/-   ##
==========================================
+ Coverage   86.07%   93.15%   +7.07%     
==========================================
  Files           1        1              
  Lines          79       73       -6     
==========================================
  Hits           68       68              
+ Misses         11        5       -6

Impacted Files	Coverage Δ
src/KissThreading.jl	93.15% <88.88%> (+7.07%)	:arrow_up:

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[mohamed82008]

Looks good to me, but I think the Manifest file is important since it is used in Travis tests. If a test fails on Travis, you are more likely to reproduce it locally when using the same Manifest.

[jw3126]

I think its almost always bad practice to commit the Manifest.toml. It pollutes the git diffs and makes installing multiple packages in a single environment hard.

[mohamed82008]

and makes installing multiple packages in a single environment hard.

How is that?

[jw3126]

I am not completly sure, but I think if you install a package that ships with a Manifest file then versions of its dependencies in the environment are constrained by the Manifest file?

[jw3126]

Okay, I think that was superstition on my part, see also here for a list of pros and cons. So I can add the Manifest again.

[mohamed82008]

then versions of its dependencies in the environment are constrained by the Manifest file?

No this is not the case.

Thanks for your understanding :)