Update INSTALL.md
[session] add exceptions to phpdoc
[system] fix spelling
[form] change event dependency
Merge branch 'fix/quick'
Merge pull request #26 from dakovka/master

form & session changes
[orm] fix ObjectSet::fetch() after count
Merge branch 'fix/quick'
[session] add auto register flag when getting session namespace
[orm] add methods for getting collections to IRelationField
Merge pull request #27 from dakovka/master

fix ObjectSet::count()
[http] add IRequest::getHostURI()
Merge branch 'fix/quick'
Merge pull request #29 from dakovka/master

IReqest changes