docs for phpbrowser improved with example
stubs refactored, simplified methods replacement, stubbing by object
Merge branch 'master' of bitbucket.org:Davert/codeception
internal docs for stubs added
fixed skipping / unskipping
refactored steps execution and output for cli
updated config parameters or zombiejs module
error level for notices changed
improved output for unit tests in debug mode
comments for print exception improved
version bump
Merge branch 'master' of github.com:Codeception/Codeception