Merge pull request #5 from cancerit/master

Master - bring dev in sync
Prevent pulling reads from high depth regions during assembly and fixed maxinsert
pre-filter out high depth before grouping
Now filter out reads overlapping high depth regions and handle insert size hen not available in the BAM file correctly, release version 2.1.0
Merge pull request #6 from cancerit/assemble_region_chk

Assemble region chk
Merge pull request #7 from cancerit/dev

Prevent memory explosion in assembly, release 2.1.0