Code style fixes

• Added .eslintrc.json and .eslintignore
• All files linted

Major update, 1.1.0

• Reduced memory usage
• API Breaking changes
• Various bugfixes
• Performance improvements
• New features
  • Document metadata
  • Filters
  • Resultset sorting on metadata

1.0.10

Update README.md

1.0.9

• Reduced memory usage
• Bugfixes

1.0.8

• Bugfixes
• Soundex added
• enableSuggestions moved to options object, as it isn't really changable at run time
• Support for stop words in english stemmer

1.0.7

• Exact mode ( "considering" is not the same as consider when using a stemmer)
• Plus and minus modifiers for excluding and requireing certain words

1.0.6

• Flattened resultset (result.results.documents -> result.documents, result.results.expressions -> result.expressions)
• Field boost based on how much of the field that is matched
• Cleanup of result.documents
• Added a field in result.documents that shows in which way each expression matches the document.

1.0.5

• Fixes an issue with options i Thinker constructor
• Adds configuration entry (suggestionMinWordCount) for selecting how many times a word must occur to be used as a suggestion

1.0.4

• Added english stemmer
• Thinker.processors.swedishStemmer is now Thinker.processors.stemmers.swedish

1.0.3

typo