FEAT: Figure and table handling

[bradleyrule]

Requirement ID: REQ-003

Problem Description

The program may be confused by figures or tables that appear in documents. We also can't ignore these, since the data we are looking for may be contained within.

Feature Description

The program must convert figures and tables into a format that can be easily interpreted. If the program is unable to interpret the table / figure, it should make note of this to the user.