Cannot precompile

[Suavesito-Olimpiada]

If I try using Assimp, a long log happen it is caudef because of the assigment in the libassimp_common.jl, line 417, where s tries to set a bbigger than Int32 in a Int32.

[Gnimuc]

I reworked the package and added a naive file-loading example: https://github.com/Gnimuc/Assimp.jl/blob/master/test/runtests.jl

Since I'm not actively using this package, if you hit certain bugs, feel free to open a new issue. :)