Merge pull request #1016 from ethereumjs/trie-housekeeping

trie: housekeeping tasks

Author: holgerd77

README.md

@@ -32,11 +32,11 @@ Detailed version can be seen on [Codecov.io][coverage-link]
 ## Package dependency relationship
 
 <p align="center">
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+https://mermaid-js.github.io/mermaid-live-editor/#/edit/eyJjb2RlIjoiZ3JhcGggVERcbiAgdm17dm19XG4gIGNsaWVudHtjbGllbnR9XG4gIGV0aGFzaCAtLT4gYmxvY2tjaGFpblxuICBkZXZwMnAgLS0-IGNsaWVudFxuICBibG9jayAtLT4gYmxvY2tjaGFpblxuICBibG9jayAtLT4gY2xpZW50XG4gIGJsb2NrIC0tPiB2bVxuICBibG9ja2NoYWluIC0tPiBjbGllbnRcbiAgYmxvY2tjaGFpbiAtLT4gdm1cbiAgdHJpZSAtLT4gY2xpZW50XG4gIHRyaWUgLS0-IHZtXG4gIHRyaWUgLS0-IGJsb2NrXG4gIGNvbW1vbiAtLT4gYmxvY2tcbiAgY29tbW9uIC0tPiBibG9ja2NoYWluXG4gIGNvbW1vbiAtLT4gdHhcbiAgY29tbW9uIC0tPiB2bVxuICBjb21tb24gLS0-IGNsaWVudFxuICBjb21tb24gLS0-IGRldnAycFxuICB0eCAtLT4gYmxvY2tcbiAgdHggLS0-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
 -->
 
 ## Development quick start