Added some simple Net_SSH2 tests

Placed helper at top again in my test

Removed a whitespace
ASN1: explicit application tags didn't work (although implicit ones did)
ASN1: make it so bit string's can have an optional minimum size
ASN1: make developing new ASN.1 scripts a little easier
ASN1: CS update
Add section about Dependency Installation to README.md
Add Contributing section to README.md
Capitalisation improvements.
Use "Development Dependencies" instead of "Dependencies" for less confusion.

There are currently no production dependencies.
ASN1: add test cases for latest changes
ASN1: test case updates
Merge pull request #316 from bantu/readme-update

Add "Installing Dependencies" and "Contributing" sections to README.md

* bantu/readme-update:
  Use "Development Dependencies" instead of "Dependencies" for less confusion.
  Capitalisation improvements.
  Add Contributing section to README.md
  Add section about Dependency Installation to README.md
Merge pull request #310 from terrafrost/keberos-fix

ASN1 changes

* terrafrost/keberos-fix:
  ASN1: test case updates
  ASN1: add test cases for latest changes
  ASN1: CS update
  ASN1: make developing new ASN.1 scripts a little easier
  ASN1: make it so bit string's can have an optional minimum size
  ASN1: explicit application tags didn't work (although implicit ones did)
bug280 is ambiguous. Use github prefix instead.
Merge pull request #241 from mpscholten/ssh2-tests

Added some simple Net_SSH2 tests

* mpscholten/ssh2-tests:
  Added some simple Net_SSH2 tests

Conflicts:
	tests/Net/SSH2Test.php
Merge pull request #326 from bantu/phpunit-group-source-prefix

bug280 is ambiguous. Use github prefix instead.

* bantu/phpunit-group-source-prefix:
  bug280 is ambiguous. Use github prefix instead.
Remove space at end of line in tests/File/ASN1/DevTest.php.
Merge pull request #327 from bantu/asn1-devtest-remove-space-eol

Remove space at end of line in tests/File/ASN1/DevTest.php.

* bantu/asn1-devtest-remove-space-eol:
  Remove space at end of line in tests/File/ASN1/DevTest.php.
SSH2: improve handling of incomplete packets
BigInteger: explain precense of uncallable code