some optimizations around code that code climate reported as complex
one-handed-error in development
moving options to differente method
removing duplication
little refactor to simplify the all_avaliable_templates method
more cohesive get_x_y method
to obtain any attr in pts
even more simple way of calculate the positions of x and y
this methods should be in label::base given the calcuations involved
refactoring some methods to simplify batch class
more descriptive names for labels_base_per_page and labels_per_page
methods
adding without_margins method where belongs
simpler way of seting margins and offset_x in batch
refactor of setup_add_label_options
bumping 1.0.1
Merge pull request #2 from gagoar/master

Improvements and refactor