Top julia issues

`vec` for sparse arrays should return a view, not a copy

linear algebra sparse stdlib

Escape characters inside string literals

strings

sum|mapreduce versus unrolled for-loop. performance disparity

performance

sparse matrix * sparse vector is slow when the vector is relatively dense

linear algebra performance sparse

joinpath() doesn't add path separator between drive and directory

doc windows

`@test_deprecated` macro

deprecation testsystem

sum_kbn for iterators

collections good first issue maths

Split up long running tests some more

good first issue help wanted testsystem

performance gotcha in scalar `.*=`

broadcast performance

Allow options to be passed through in `Pkg.build`

packages