Verbose file and folder names

New in V1.2.1

• Makes it easier to find courses that have moved up or down a semester by ripping papers and storing with the entire course name.

Fix lack of thread synchronization

Uses concurrent.futures instead of threading.

Should prevent too many threads from spawning and fix any errors due to race conditions.

v1.1

New in V1.1

• Supports optionally ripping only a particular course's papers

• Supports parallel public link extraction and downloads

  Difference in speed when ripping last 5 years, 32 subjects, 148 pdf files

  Version	v1.0	v1.1
  Download Type	Serial Download	Parallel Download
  Link Extraction Time	10.377s	0.356s
  Download Time	65.736s	0.327s
  Overall Time	93.209s	18.171s

v1.0

• Much faster than manually navigating, downloading from the site
• Download specifying the Branch, Semester and last N years to retrieve papers
• Exports a list of public paper urls to CSV
• Renames the files with the exam type and year held
• Papers from different years of a particular subject are placed in a common folder