fixed very rar bug

when alias xyz -> abc
xyz-ddd would incorrectly resolve to abc-ddd
performance
don't crash on non-strings in package.json
0.5.14
resolve in multiple module directories

fixes webpack/webpack#127
travis test node 0.10
added "only module" syntax to alias
added logging for resolving
0.6.1
added DirectoryDescriptionFileFieldAliasPlugin
0.7.0
don't crash on recursion, throw a good error
0.7.1
hopefully fixes webpack/webpack#175
0.7.2
don't be so strict while looking for modules directories

fixes webpack/webpack#197
0.7.3
Use graceful-fs
Merge pull request #5 from matthewwithanm/graceful-fs

Use graceful-fs
0.7.4