Increased version on 'develop'
EPUB-214: OOP refactor of debugger.
EPUB-214: VisualDebugger: drawing intersection.
Merged in EPUB-214 (pull request #9)

VisualDebugger refactor
EPUB-216: EnvironmentChecker: added new class.
EPUB-216: VisualDebugger: added possibility to chain methods.
EPUB-216: Dealing with quirks of the touch event coordinates when triggered over a scaled element on the Android stock browser.
EPUB-218: updating selection when touching outside of iframe
EPUB-213: added error reporting console
EPUB-216: EnvironmentChecker: Improved converting strings to numbers.
Merged in EPUB-213

EPUB-213: added error reporting console
Merged in EPUB-218

EPUB-218: updating selection when touching outside of iframe
Merged in EPUB-216

Avoid scaling pointer event coords on older Android devices
Dist of version 0.4.1
Release 0.4.1

Changes:
 - added debugging console to demo page
 - visual debugger can now work in both contexts: the custom selection context and the context of selection markers
 - added to visual debugger a possibility to draw points as intersecting axes
 - improved calculation of pointer in text on older Android devices [Bugfix]