Weighted PageRank

Question

Putting this PR as a placeholder. Still need to:

• Make it work for Huge graphs [DONE]
• Call WeightedPageRank from the procedure [DONE]
• Write documentation explaining how to use the weighted variant [DONE]
• Parameterise the default value [DONE]
• Reuse code between PageRank and WeightedPageRank - currently copy/pasted [DONE]
• Benchmark against large dataset [DONE]
• Decided how to handle negative weights [DONE]

Answer 1

I've run this on the small benchmark dataset and weighted and non-weighted have similar performance. Now trying on the LDBC benchmark