Add memory operations for resizable arrays
Add operations and tests for resizable arrays. To be used for addition/deletion of centroids
Change arrays to resizible arrays (quite big change)
Add files with centroid operations
Merge master
Add new delete centroid operation (not tested yet)
Add new centroid addition operation (not tested yet)
More tests
Merge remote-tracking branch 'upstream/master' into dynamic-structs
Merge pull request #7 from jswiergo/dynamic-structs

Resizable arrays for dynamic operations on centroids