get input or output streams for files in the remote cli
+ Conditions now have toString methods.
+ new condition: a directory contain a file that matches a regular
expression
toString method of the fluent wait object will now contain the name of
the last Function (=expected condition)'s toString (useful with
validations
new feature: validations via expected conditions (using 0 time wait i.e.
invoking the apply method only once)
report for validating, code cleanup
directoryConatins now returns the path found