message: Added a couple of new changes
diff: **Fixed Bugs:**
  **Implemented Enhancements:**
  +- err TypeError: Cannot read property 'text' of undefined [\#106](https://github.com/gitbrent/PptxGenJS/issues/106) ([ninas880025](https://github.com/ninas880025))
  - Added bowser support, gulp build of bundle [\#107](https://github.com/gitbrent/PptxGenJS/pull/107) ([santi-git](https://github.com/santi-git))
  +- Add increase/decrease indent for bullets [\#108](https://github.com/gitbrent/PptxGenJS/issues/108) ([sangramjagtap](https://github.com/sangramjagtap))
  