Added updated V41 of file

New Features:
- User interface for managing mutations
- Storage as .csv for mutation information
- Removed old mutation setup
- Added .py at end of file so it is recognized as python file
Test File for AbiTracer and abitraceeval

Complete .ab1 file with a mutation found in the *.csv database provided
Storage File for abitraceeval Mutation Information

Stores Mutation Information used in searching *.abi files for mutations
and evaluating whether those mutations are homozygous or heterozygous.
The file is in *.csv format as a 4x101 matrix, with the first row as a
header.
- Mutation: Name of Mutation
- Sequence: 20 nucleotides before mutation site
- WTbp: Wild-type base pair at mutation site
- MTbp: Mutant base pair at mutation site
Added mutantfile Test
From Mike Cariaso's Biopython Branch

More realistic test files
From Mike Cariaso's Biopython Branch

Update reference output for test_SeqIO
From Mike Cariaso's Biopython Branch

Edited test files to include new name of file, mutantfile.abi