Improve and simplify insertSpaceAroundParameterAssignment & specificKeywordCaseOverride specificTypeCaseOverride#2

ljunkie merged 2 commits intoxelp/mainplexinc/brighterscript-formatter:xelp/mainfrom

rob/specific-casing-and-fix-insertSpaceAroundParameterAssignmentplexinc/brighterscript-formatter:rob/specific-casing-and-fix-insertSpaceAroundParameterAssignmentCopy head branch name to clipboard