Adds some underscores to please jshint
Adds some underscores to please jshint

squiggle-lang/squiggle-lang,saikobee/squiggle,rdenmark/squiggle,rdenmark/squiggle,saikobee/squiggle,saikobee/squiggle,wavebeem/squiggle,squiggle-lang/squiggle-lang,saikobee/expr-lang,squiggle-lang/squiggle-lang,wavebeem/squiggle,wavebeem/squiggle,saikobee/expr-lang,rdenmark/squiggle,saikobee/expr-lang