Added API documentation link to Readme.md
Merge branch 'hotfix_oadate'
Merge branch 'master' of https://github.com/erminas/smartapi
Merge branch 'develop'
Merge branch 'develop'
Merge branch 'develop'
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Merge branch 'develop'

Conflicts:
	erminas Smart API Unit Tests/Enums/BasicAlignmentTest.cs
	erminas Smart API Unit Tests/Enums/BrowseAlignmentTest.cs
	erminas Smart API Unit Tests/Enums/EnumConversionTester.cs
	erminas Smart API Unit Tests/Enums/FrameborderTest.cs
	erminas Smart API Unit Tests/Enums/HitListTypeTest.cs
	erminas Smart API Unit Tests/Enums/HtmlTargetTest.cs
	erminas Smart API Unit Tests/Enums/ImageAlignmentTest.cs
	erminas Smart API Unit Tests/Enums/ListTypeTest.cs
	erminas Smart API Unit Tests/Enums/MediaConversionModeTest.cs
	erminas Smart API Unit Tests/Enums/PdfOrientationTest.cs
	erminas Smart API Unit Tests/Enums/ScrollingTest.cs
	erminas Smart API Unit Tests/Enums/TargetFormatTest.cs
bugfix: session c'tor for existing sessions created a new server session
changed version to 0.9.2.1
Merge branch 'hotfix-0.9.2.1' into develop
bugfix: session.currentuser does now work for preexisting sessions, too, again
workaround for race condition with deletion of pages on the server
added languagecontexts to some parts where it was missing
Check for page existence first on DeleteIrrevocably
ExecuteRQL now returns an empty XmlDocument, if the server reply was empty, instead of throwing an exception
added protected c'tors to cachedlist and subclasses to allow late setting of the retrieval function in subclasses
added Categories and Keywords classes to have category/keyword management in one place each