adding IntelliJ config to gitignore
 adding new constructor
Merge branch 'master' of github.com:biojava/biojava
Put date formatting/parsing into critical sections.
Fixed String vs Character comparisons.
Merge pull request #116 from Elinow/master

Put date formatting/parsing into critical sections.
Be more flexible with parsing short HEADER records.

This allows parsing of pre-submission PDB files which don't
contain a proper HEADER with PDB ID and deposition date
Fix parsing of SCOP 1.71 (#115)

- Accept some poorly-formatted comment definitions
- Use the first chain found for '_' domains (#115)
- Add tests for 1.71