Support 1.0, drop 0.6

Merge pull request #80 from JuliaInterop/julia-1.0

Julia 1.0

Support 0.7, drop 0.5

Merge pull request #78 from ExpandingMan/javaerrors

some slightly better error handling

v0.5.2

Support JDK 9

v0.5.1

remove some deprecation warnings.

v0.5.0

Add a dependency on DataStructures

v0.4.4

Support setting classpath with wildcards

v0.4.3

Merge pull request #55 from tanmaykm/tan/misc

implement `convert` for `ArrayList`

v0.4.2

New conversions between Julia and Java