Support Julia 1.0

[tkf]

(Edit: actually I don't need PyJulia for this)

[codecov-io]

Codecov Report

Merging #10 into master will decrease coverage by 3.57%.
The diff coverage is 72.22%.

@@           Coverage Diff           @@
##           master   #10      +/-   ##
=======================================
- Coverage   78.57%   75%   -3.58%     
=======================================
  Files           4     4              
  Lines          84    92       +8     
=======================================
+ Hits           66    69       +3     
- Misses         18    23       +5

Impacted Files	Coverage Δ
src/IPython.jl	100% <ø> (ø)	⬆️
src/julia_repl.jl	53.33% <0%> (ø)	⬆️
src/convenience.jl	80.59% <100%> (-3.78%)	⬇️
src/core.jl	66.66% <57.14%> (-8.34%)	⬇️

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[coveralls]

Pull Request Test Coverage Report for Build 81

• 8 of 9 (88.89%) changed or added relevant lines in 3 files are covered.
• 5 unchanged lines in 1 file lost coverage.
• Overall coverage increased (+2.0%) to 80.556%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/julia_repl.jl	0	1	0.0%

Files with Coverage Reduction	New Missed Lines	%
src/convenience.jl	5	67.16%

Totals
Change from base Build 47:	2.0%
Covered Lines:	58
Relevant Lines:	72

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💛 - Coveralls