Julia 0.7

[iblislin]

TODO:

• [x] fix broadcasting https://docs.julialang.org/en/v1/manual/interfaces/#man-interfaces-broadcasting-1
• [x] Base.findall support
• [x] New iteration protocol

[codecov-io]

Codecov Report

Merging #370 into master will increase coverage by 12.27%. The diff coverage is 100%.

@@             Coverage Diff             @@
##           master     #370       +/-   ##
===========================================
+ Coverage   86.86%   99.13%   +12.27%     
===========================================
  Files          10        9        -1     
  Lines         510      346      -164     
===========================================
- Hits          443      343      -100     
+ Misses         67        3       -64

Impacted Files	Coverage Δ
src/utilities.jl	100% <100%> (ø)	:arrow_up:
src/combine.jl	98.43% <100%> (-0.3%)	:arrow_down:
src/apply.jl	100% <100%> (+9.09%)	:arrow_up:
src/split.jl	100% <100%> (ø)	:arrow_up:
src/readwrite.jl	100% <100%> (ø)	:arrow_up:
src/broadcast.jl	100% <100%> (+7.69%)	:arrow_up:
src/timearray.jl	98.23% <100%> (-0.26%)	:arrow_down:
src/basemisc.jl	100% <100%> (+37.5%)	:arrow_up:
... and 4 more

---

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[femtotrader]

I think https://github.com/JuliaStats/TimeSeries.jl/blob/b0773e8ce5bdf38d18c5faf5d22b5dcf50134c11/test/runtests.jl#L13

should be removed according

https://travis-ci.org/JuliaStats/TimeSeries.jl/builds/426145131#L673

[iblislin]

This PR is ready for review. Let's support 0.7/1.0 first. And I write down some TODOs in #373

[femtotrader]

LGTM... tests are passing both with Julia 0.7 and 1.0 Thanks @iblis17 for this huge work! The situation is better than it was... if there is some improvements to do I think it can be done in an other PR I can't personally merge this PR I think @ararslan can