Add possibility to introspect task dependencies
Add possibility to introspect task dependencies

During pybuilder execution (i.E. in a task or action) this can be used
to obtain the resolved dependencies of the task.
This solves the feature request brought forward in #122

arcivanov/pybuilder,TimYi/pybuilder,arcivanov/pybuilder,elkingtonmcb/pybuilder,esc/pybuilder,onesfreedom/pybuilder,paolodedios/pybuilder,locolupo/pybuilder,TimYi/pybuilder,paolodedios/pybuilder,pybuilder/pybuilder,alex-dow/pybuilder,paolodedios/pybuilder,Designist/pybuilder,elkingtonmcb/pybuilder,esc/pybuilder,locolupo/pybuilder,Danielweber7624/pybuilder,alex-dow/pybuilder,esc/pybuilder,pybuilder/pybuilder,onesfreedom/pybuilder,Danielweber7624/pybuilder,Designist/pybuilder,pybuilder/pybuilder,arcivanov/pybuilder