fixes #66
fixing merge conflicts
Merge branch 'dev' into arithmeticOverhaul
#68: added in constructor for default value
#68: made the constructor call super
#68: modified constructor
Merge branch 'dev' into arithmeticOverhaul
simplified constructor for abstract matrix
committing for backup
#73: begin
#73: closes #73
Merge branch 'dev' into arithmeticOverhaul
#21: adding in create submatrix
#21: committing for backup
updated readme.md
Merge branch 'master' into dev
Merge branch 'dev' into arithmeticOverhaul
fixed up readme
Merge branch 'master' into dev
Merge branch 'dev' into arithmeticOverhaul