Add Project.toml, delete REQUIRE (#92)

Also set version to 0.9.7 in preparation for a new release and add more
standard entries to the .gitignore.

Author: ararslan

.gitignore

@@ -1 +1,6 @@
+*.jl.cov
+*.jl.*.cov
+*.jl.mem
 docs/build
+docs/site
+Manifest.toml

Project.toml

@@ -0,0 +1,14 @@
+name = "PDMats"
+uuid = "90014a1f-27ba-587c-ab20-58faa44d9150"
+version = "0.9.7"
+
+[deps]
+Arpack = "7d9fca2a-8960-54d3-9f78-7d1dccf2cb97"
+LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
+SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
+SuiteSparse = "4607b0f0-06f3-5cda-b6b1-a6196a1729e9"
+Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
+
+[compat]
+Arpack = ">=0.2"
+julia = "0.7, 1.0"