Changed v0.18.0.json so diffWorkDir DiffOptions argument is optional. Added .idea to .gitignore to support webstorm.
Updated v0.18.0.json to make the index and DiffOptions arguments in tree.diffIndex optional (libgit2 supports null for both)
Merge pull request #103 from kciccarello/master

Changed v0.18.0.json so diffWorkDir DiffOptions argument is optional. Ad...
Updated v0.18.0.json to make the index and DiffOptions arguments in Index.indexToWorkdir optional (libgit2 supports null for both)
Duplicate git_error before passing it on as it will cross a thread boundary.
Regenerated sources.
Merge pull request #106 from kciccarello/master

Updated v0.18.0.json to make the index and DiffOptions arguments in Inde...
Checking for nulls; freeing memory
Merge branch 'master' of github.com:nodegit/nodegit