General improvements, staticGraph bug fix

Implemented enhancements and Fixed bugs:

• Squeezing if "staticGraph": true #24, props to scoutrul on reporting the issue

Merged pull requests:

• Fix/set initial static graph #26 (danielcaldas)
• Refactor/general improvements #22 (danielcaldas)
• Fix typo node.stype -> node.symbolType #21 (danielcaldas)
• Bump several dependencies to latest. New yarn.lock #20 (danielcaldas)
• Refactor/documentation revisited #19 (danielcaldas)