Develop fix unsolved dependencies

See merge request otinto/AutoRPE!6

Fixes:  is_call_to_function was giving false positives, key arguments was not checked for functions, clean_content was not removing sign before variables, reduced duplicated code for track_dependecy.py

Branch to check in how many places compilation will fail, inserted function get_structure_member in type_of_contents

Using networkx and the graph approach for finding dependencies

See merge request otinto/AutoRPE!5

Track dependencies between pointers through pointer assignation. Fixed search of variables in structures.

When searchign for variables declaration scans code also in .h90 files included through #include clause

Fixes issue #45

Closes #45

See merge request otinto/AutoRPE!4

remove unused clause.

getting indentation right, deleting useless lines, and fixing comments.

cast was not chatching case like 'REAL(misfkb_cav,8)'

added some var to loopkuptable

better errors printout

Develop distinguish real type

See merge request otinto/AutoRPE!3