- Allow to use other compiler using CC env var
Merge pull request #48 from felipensp/clang_build

- Allow to use other compiler using CC env var
Merge branch 'master' of github.com:merces/pev into mmap
Reimplement functions related to import dir.
readpe: Adapt to new SectionCharacteristics.
readpe: Fix output of characteristic name.
Adapt ofs2rva and rva2ofs for the new libpe.
Adapt pehash for the new libpe.
The libpe submodule now refers to the mmap branch.